21412327356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{10937}}^1$

素因数の和:11428

約数の個数: 144

約数和(自身を含む): 65645850816

約数和(自身を除く): 44233523460

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 457, 476, 612, 714, 914, 1071, 1371, 1428, 1828, 2142, 2742, 3199, 4113, 4284, 5484, 6398, 7769, 8226, 9597, 10937, 12796, 15538, 16452, 19194, 21874, 23307, 28791, 31076, 32811, 38388, 43748, 46614, 54383, 57582, 65622, 69921, 76559, 93228, 98433, 108766, 115164, 131244, 139842, 153118, 163149, 185929, 196866, 217532, 229677, 279684, 306236, 326298, 371858, 393732, 459354, 489447, 557787, 652596, 689031, 743716, 918708, 978894, 1115574, 1301503, 1378062, 1673361, 1957788, 2231148, 2603006, 2756124, 3346722, 3904509, 4998209, 5206012, 6693444, 7809018, 9996418, 11713527, 14994627, 15618036, 19992836, 23427054, 29989254, 34987463, 44983881, 46854108, 59978508, 69974926, 84969553, 89967762, 104962389, 139949852, 169939106, 179935524, 209924778, 254908659, 314887167, 339878212, 419849556, 509817318, 594786871, 629774334, 764725977, 1019634636, 1189573742, 1259548668, 1529451954, 1784360613, 2379147484, 3058903908, 3568721226, 5353081839, 7137442452, 10706163678, 21412327356]

約数ペア:

[(1, 21412327356), (2, 10706163678), (3, 7137442452), (4, 5353081839), (6, 3568721226), (7, 3058903908), (9, 2379147484), (12, 1784360613), (14, 1529451954), (17, 1259548668), (18, 1189573742), (21, 1019634636), (28, 764725977), (34, 629774334), (36, 594786871), (42, 509817318), (51, 419849556), (63, 339878212), (68, 314887167), (84, 254908659), (102, 209924778), (119, 179935524), (126, 169939106), (153, 139949852), (204, 104962389), (238, 89967762), (252, 84969553), (306, 69974926), (357, 59978508), (457, 46854108), (476, 44983881), (612, 34987463), (714, 29989254), (914, 23427054), (1071, 19992836), (1371, 15618036), (1428, 14994627), (1828, 11713527), (2142, 9996418), (2742, 7809018), (3199, 6693444), (4113, 5206012), (4284, 4998209), (5484, 3904509), (6398, 3346722), (7769, 2756124), (8226, 2603006), (9597, 2231148), (10937, 1957788), (12796, 1673361), (15538, 1378062), (16452, 1301503), (19194, 1115574), (21874, 978894), (23307, 918708), (28791, 743716), (31076, 689031), (32811, 652596), (38388, 557787), (43748, 489447), (46614, 459354), (54383, 393732), (57582, 371858), (65622, 326298), (69921, 306236), (76559, 279684), (93228, 229677), (98433, 217532), (108766, 196866), (115164, 185929), (131244, 163149), (139842, 153118)]