21577910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{4079}}^1$

素因数の和:4132

約数の個数: 24

約数和(自身を含む): 40612320

約数和(自身を除く): 19034410

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 4079, 5290, 8158, 20395, 40790, 93817, 187634, 469085, 938170, 2157791, 4315582, 10788955, 21577910]

約数ペア:

[(1, 21577910), (2, 10788955), (5, 4315582), (10, 2157791), (23, 938170), (46, 469085), (115, 187634), (230, 93817), (529, 40790), (1058, 20395), (2645, 8158), (4079, 5290)]