21947016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{773}}^1$

素因数の和:815

約数の個数: 96

約数和(自身を含む): 67988160

約数和(自身を除く): 46041144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 169, 182, 273, 312, 338, 364, 507, 546, 676, 728, 773, 1014, 1092, 1183, 1352, 1546, 2028, 2184, 2319, 2366, 3092, 3549, 4056, 4638, 4732, 5411, 6184, 7098, 9276, 9464, 10049, 10822, 14196, 16233, 18552, 20098, 21644, 28392, 30147, 32466, 40196, 43288, 60294, 64932, 70343, 80392, 120588, 129864, 130637, 140686, 211029, 241176, 261274, 281372, 391911, 422058, 522548, 562744, 783822, 844116, 914459, 1045096, 1567644, 1688232, 1828918, 2743377, 3135288, 3657836, 5486754, 7315672, 10973508, 21947016]

約数ペア:

[(1, 21947016), (2, 10973508), (3, 7315672), (4, 5486754), (6, 3657836), (7, 3135288), (8, 2743377), (12, 1828918), (13, 1688232), (14, 1567644), (21, 1045096), (24, 914459), (26, 844116), (28, 783822), (39, 562744), (42, 522548), (52, 422058), (56, 391911), (78, 281372), (84, 261274), (91, 241176), (104, 211029), (156, 140686), (168, 130637), (169, 129864), (182, 120588), (273, 80392), (312, 70343), (338, 64932), (364, 60294), (507, 43288), (546, 40196), (676, 32466), (728, 30147), (773, 28392), (1014, 21644), (1092, 20098), (1183, 18552), (1352, 16233), (1546, 14196), (2028, 10822), (2184, 10049), (2319, 9464), (2366, 9276), (3092, 7098), (3549, 6184), (4056, 5411), (4638, 4732)]