21276402004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{2239}}^1$

素因数の和:2753

約数の個数: 96

約数和(自身を含む): 45045504000

約数和(自身を除く): 23769101996

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 449, 481, 572, 814, 898, 962, 1628, 1796, 1924, 2239, 4478, 4939, 5291, 5837, 8956, 9878, 10582, 11674, 16613, 19756, 21164, 23348, 24629, 29107, 33226, 49258, 58214, 64207, 66452, 82843, 98516, 116428, 128414, 165686, 182743, 215969, 256828, 320177, 331372, 365486, 431938, 640354, 730972, 863876, 911273, 1005311, 1076959, 1280708, 1822546, 2010622, 2153918, 2375659, 3645092, 4021244, 4307836, 4751318, 9502636, 11058421, 11846549, 13069043, 22116842, 23693098, 26138086, 37196507, 44233684, 47386196, 52276172, 74393014, 143759473, 148786028, 287518946, 409161577, 483554591, 575037892, 818323154, 967109182, 1636646308, 1934218364, 5319100501, 10638201002, 21276402004]

約数ペア:

[(1, 21276402004), (2, 10638201002), (4, 5319100501), (11, 1934218364), (13, 1636646308), (22, 967109182), (26, 818323154), (37, 575037892), (44, 483554591), (52, 409161577), (74, 287518946), (143, 148786028), (148, 143759473), (286, 74393014), (407, 52276172), (449, 47386196), (481, 44233684), (572, 37196507), (814, 26138086), (898, 23693098), (962, 22116842), (1628, 13069043), (1796, 11846549), (1924, 11058421), (2239, 9502636), (4478, 4751318), (4939, 4307836), (5291, 4021244), (5837, 3645092), (8956, 2375659), (9878, 2153918), (10582, 2010622), (11674, 1822546), (16613, 1280708), (19756, 1076959), (21164, 1005311), (23348, 911273), (24629, 863876), (29107, 730972), (33226, 640354), (49258, 431938), (58214, 365486), (64207, 331372), (66452, 320177), (82843, 256828), (98516, 215969), (116428, 182743), (128414, 165686)]