21064428

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 72576000

約数和(自身を除く): 51511572

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 27, 28, 33, 34, 36, 42, 44, 51, 54, 63, 66, 68, 77, 84, 99, 102, 108, 119, 126, 132, 149, 153, 154, 187, 189, 198, 204, 231, 238, 252, 297, 298, 306, 308, 357, 374, 378, 396, 447, 459, 462, 476, 561, 594, 596, 612, 693, 714, 748, 756, 894, 918, 924, 1043, 1071, 1122, 1188, 1309, 1341, 1386, 1428, 1639, 1683, 1788, 1836, 2079, 2086, 2142, 2244, 2533, 2618, 2682, 2772, 3129, 3213, 3278, 3366, 3927, 4023, 4158, 4172, 4284, 4917, 5049, 5066, 5236, 5364, 6258, 6426, 6556, 6732, 7599, 7854, 8046, 8316, 9387, 9834, 10098, 10132, 11473, 11781, 12516, 12852, 14751, 15198, 15708, 16092, 17731, 18774, 19668, 20196, 22797, 22946, 23562, 27863, 28161, 29502, 30396, 34419, 35343, 35462, 37548, 44253, 45594, 45892, 47124, 53193, 55726, 56322, 59004, 68391, 68838, 70686, 70924, 83589, 88506, 91188, 103257, 106386, 111452, 112644, 136782, 137676, 141372, 159579, 167178, 177012, 195041, 206514, 212772, 250767, 273564, 309771, 319158, 334356, 390082, 413028, 478737, 501534, 585123, 619542, 638316, 752301, 780164, 957474, 1003068, 1170246, 1239084, 1504602, 1755369, 1914948, 2340492, 3009204, 3510738, 5266107, 7021476, 10532214, 21064428]

約数ペア:

[(1, 21064428), (2, 10532214), (3, 7021476), (4, 5266107), (6, 3510738), (7, 3009204), (9, 2340492), (11, 1914948), (12, 1755369), (14, 1504602), (17, 1239084), (18, 1170246), (21, 1003068), (22, 957474), (27, 780164), (28, 752301), (33, 638316), (34, 619542), (36, 585123), (42, 501534), (44, 478737), (51, 413028), (54, 390082), (63, 334356), (66, 319158), (68, 309771), (77, 273564), (84, 250767), (99, 212772), (102, 206514), (108, 195041), (119, 177012), (126, 167178), (132, 159579), (149, 141372), (153, 137676), (154, 136782), (187, 112644), (189, 111452), (198, 106386), (204, 103257), (231, 91188), (238, 88506), (252, 83589), (297, 70924), (298, 70686), (306, 68838), (308, 68391), (357, 59004), (374, 56322), (378, 55726), (396, 53193), (447, 47124), (459, 45892), (462, 45594), (476, 44253), (561, 37548), (594, 35462), (596, 35343), (612, 34419), (693, 30396), (714, 29502), (748, 28161), (756, 27863), (894, 23562), (918, 22946), (924, 22797), (1043, 20196), (1071, 19668), (1122, 18774), (1188, 17731), (1309, 16092), (1341, 15708), (1386, 15198), (1428, 14751), (1639, 12852), (1683, 12516), (1788, 11781), (1836, 11473), (2079, 10132), (2086, 10098), (2142, 9834), (2244, 9387), (2533, 8316), (2618, 8046), (2682, 7854), (2772, 7599), (3129, 6732), (3213, 6556), (3278, 6426), (3366, 6258), (3927, 5364), (4023, 5236), (4158, 5066), (4172, 5049), (4284, 4917)]