21512429

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1487}}^1$

素因数の和:1564

約数の個数: 16

約数和(自身を含む): 24427008

約数和(自身を除く): 2914579

約数列:

[1, 17, 23, 37, 391, 629, 851, 1487, 14467, 25279, 34201, 55019, 581417, 935323, 1265437, 21512429]

約数ペア:

[(1, 21512429), (17, 1265437), (23, 935323), (37, 581417), (391, 55019), (629, 34201), (851, 25279), (1487, 14467)]