21000739188

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:383

約数の個数: 288

約数和(自身を含む): 59872982400

約数和(自身を除く): 38872243212

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 59, 66, 78, 109, 118, 121, 132, 143, 156, 173, 177, 218, 236, 242, 286, 327, 346, 354, 363, 429, 436, 484, 519, 572, 649, 654, 692, 708, 726, 767, 858, 1038, 1199, 1298, 1308, 1417, 1452, 1534, 1573, 1716, 1903, 1947, 2076, 2249, 2301, 2398, 2596, 2834, 3068, 3146, 3597, 3806, 3894, 4251, 4498, 4602, 4719, 4796, 5668, 5709, 6292, 6431, 6747, 7139, 7194, 7612, 7788, 8437, 8502, 8996, 9204, 9438, 10207, 11418, 12862, 13189, 13494, 14278, 14388, 15587, 16874, 17004, 18857, 18876, 19293, 20414, 20933, 21417, 22836, 24739, 25311, 25724, 26378, 26988, 28556, 30621, 31174, 33748, 37714, 38586, 39567, 40828, 41866, 42834, 46761, 49478, 50622, 52756, 56571, 61242, 62348, 62799, 70741, 74217, 75428, 77172, 79134, 83603, 83732, 85668, 92807, 93522, 98956, 101244, 112277, 113142, 122484, 125598, 132691, 141482, 148434, 158268, 167206, 171457, 185614, 187044, 207427, 212223, 224554, 226284, 245141, 250809, 251196, 265382, 272129, 278421, 282964, 296868, 334412, 336831, 342914, 371228, 398073, 414854, 424446, 449108, 490282, 501618, 514371, 530764, 544258, 556842, 622281, 673662, 685828, 735423, 778151, 796146, 816387, 829708, 848892, 919633, 980564, 1003236, 1028742, 1088516, 1112563, 1113684, 1235047, 1244562, 1347324, 1459601, 1470846, 1556302, 1592292, 1632774, 1839266, 2057484, 2225126, 2281697, 2334453, 2470094, 2489124, 2696551, 2758899, 2919202, 2941692, 3112604, 3265548, 3337689, 3678532, 3705141, 4378803, 4450252, 4563394, 4668906, 4940188, 5393102, 5517798, 5838404, 6675378, 6845091, 7410282, 8089653, 8757606, 9126788, 9337812, 10115963, 10786204, 11035596, 12238193, 13350756, 13690182, 14463319, 14820564, 16055611, 16179306, 17515212, 20231926, 24476386, 27380364, 28926638, 29662061, 30347889, 32111222, 32358612, 36714579, 40463852, 43389957, 48166833, 48952772, 57853276, 59324122, 60695778, 64222444, 73429158, 86779914, 88986183, 96333666, 118648244, 121391556, 134620123, 146858316, 159096509, 173559828, 177972366, 192667332, 269240246, 318193018, 355944732, 403860369, 477289527, 538480492, 636386036, 807720738, 954579054, 1615441476, 1750061599, 1909158108, 3500123198, 5250184797, 7000246396, 10500369594, 21000739188]

約数ペア:

[(1, 21000739188), (2, 10500369594), (3, 7000246396), (4, 5250184797), (6, 3500123198), (11, 1909158108), (12, 1750061599), (13, 1615441476), (22, 954579054), (26, 807720738), (33, 636386036), (39, 538480492), (44, 477289527), (52, 403860369), (59, 355944732), (66, 318193018), (78, 269240246), (109, 192667332), (118, 177972366), (121, 173559828), (132, 159096509), (143, 146858316), (156, 134620123), (173, 121391556), (177, 118648244), (218, 96333666), (236, 88986183), (242, 86779914), (286, 73429158), (327, 64222444), (346, 60695778), (354, 59324122), (363, 57853276), (429, 48952772), (436, 48166833), (484, 43389957), (519, 40463852), (572, 36714579), (649, 32358612), (654, 32111222), (692, 30347889), (708, 29662061), (726, 28926638), (767, 27380364), (858, 24476386), (1038, 20231926), (1199, 17515212), (1298, 16179306), (1308, 16055611), (1417, 14820564), (1452, 14463319), (1534, 13690182), (1573, 13350756), (1716, 12238193), (1903, 11035596), (1947, 10786204), (2076, 10115963), (2249, 9337812), (2301, 9126788), (2398, 8757606), (2596, 8089653), (2834, 7410282), (3068, 6845091), (3146, 6675378), (3597, 5838404), (3806, 5517798), (3894, 5393102), (4251, 4940188), (4498, 4668906), (4602, 4563394), (4719, 4450252), (4796, 4378803), (5668, 3705141), (5709, 3678532), (6292, 3337689), (6431, 3265548), (6747, 3112604), (7139, 2941692), (7194, 2919202), (7612, 2758899), (7788, 2696551), (8437, 2489124), (8502, 2470094), (8996, 2334453), (9204, 2281697), (9438, 2225126), (10207, 2057484), (11418, 1839266), (12862, 1632774), (13189, 1592292), (13494, 1556302), (14278, 1470846), (14388, 1459601), (15587, 1347324), (16874, 1244562), (17004, 1235047), (18857, 1113684), (18876, 1112563), (19293, 1088516), (20414, 1028742), (20933, 1003236), (21417, 980564), (22836, 919633), (24739, 848892), (25311, 829708), (25724, 816387), (26378, 796146), (26988, 778151), (28556, 735423), (30621, 685828), (31174, 673662), (33748, 622281), (37714, 556842), (38586, 544258), (39567, 530764), (40828, 514371), (41866, 501618), (42834, 490282), (46761, 449108), (49478, 424446), (50622, 414854), (52756, 398073), (56571, 371228), (61242, 342914), (62348, 336831), (62799, 334412), (70741, 296868), (74217, 282964), (75428, 278421), (77172, 272129), (79134, 265382), (83603, 251196), (83732, 250809), (85668, 245141), (92807, 226284), (93522, 224554), (98956, 212223), (101244, 207427), (112277, 187044), (113142, 185614), (122484, 171457), (125598, 167206), (132691, 158268), (141482, 148434)]