21000700064

素因数分解:

$2^5\times {\mathrm{881}}^1\times {\mathrm{744917}}^1$

素因数の和:745808

約数の個数: 24

約数和(自身を含む): 41392113588

約数和(自身を除く): 20391413524

約数列:

[1, 2, 4, 8, 16, 32, 881, 1762, 3524, 7048, 14096, 28192, 744917, 1489834, 2979668, 5959336, 11918672, 23837344, 656271877, 1312543754, 2625087508, 5250175016, 10500350032, 21000700064]

約数ペア:

[(1, 21000700064), (2, 10500350032), (4, 5250175016), (8, 2625087508), (16, 1312543754), (32, 656271877), (881, 23837344), (1762, 11918672), (3524, 5959336), (7048, 2979668), (14096, 1489834), (28192, 744917)]