21986021908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{1523}}^1\times {\mathrm{156913}}^1$

素因数の和:158463

約数の個数: 24

約数和(自身を含む): 40175005248

約数和(自身を除く): 18188983340

約数列:

[1, 2, 4, 23, 46, 92, 1523, 3046, 6092, 35029, 70058, 140116, 156913, 313826, 627652, 3608999, 7217998, 14435996, 238978499, 477956998, 955913996, 5496505477, 10993010954, 21986021908]

約数ペア:

[(1, 21986021908), (2, 10993010954), (4, 5496505477), (23, 955913996), (46, 477956998), (92, 238978499), (1523, 14435996), (3046, 7217998), (6092, 3608999), (35029, 627652), (70058, 313826), (140116, 156913)]