21160384

素因数分解:

$2^6\times 7^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 56

約数和(自身を含む): 48463200

約数和(自身を除く): 27302816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 149, 224, 298, 317, 448, 596, 634, 1043, 1192, 1268, 2086, 2219, 2384, 2536, 4172, 4438, 4768, 5072, 8344, 8876, 9536, 10144, 16688, 17752, 20288, 33376, 35504, 47233, 66752, 71008, 94466, 142016, 188932, 330631, 377864, 661262, 755728, 1322524, 1511456, 2645048, 3022912, 5290096, 10580192, 21160384]

約数ペア:

[(1, 21160384), (2, 10580192), (4, 5290096), (7, 3022912), (8, 2645048), (14, 1511456), (16, 1322524), (28, 755728), (32, 661262), (56, 377864), (64, 330631), (112, 188932), (149, 142016), (224, 94466), (298, 71008), (317, 66752), (448, 47233), (596, 35504), (634, 33376), (1043, 20288), (1192, 17752), (1268, 16688), (2086, 10144), (2219, 9536), (2384, 8876), (2536, 8344), (4172, 5072), (4438, 4768)]