21856438652

素因数分解:

$2^2\times {\mathrm{317}}^1\times {\mathrm{1453}}^1\times {\mathrm{11863}}^1$

素因数の和:13637

約数の個数: 24

約数和(自身を含む): 38399069856

約数和(自身を除く): 16542631204

約数列:

[1, 2, 4, 317, 634, 1268, 1453, 2906, 5812, 11863, 23726, 47452, 460601, 921202, 1842404, 3760571, 7521142, 15042284, 17236939, 34473878, 68947756, 5464109663, 10928219326, 21856438652]

約数ペア:

[(1, 21856438652), (2, 10928219326), (4, 5464109663), (317, 68947756), (634, 34473878), (1268, 17236939), (1453, 15042284), (2906, 7521142), (5812, 3760571), (11863, 1842404), (23726, 921202), (47452, 460601)]