21085674910

素因数分解:

$2^1\times 5^1\times {\mathrm{3491}}^1\times {\mathrm{604001}}^1$

素因数の和:607499

約数の個数: 16

約数和(自身を含む): 37965149712

約数和(自身を除く): 16879474802

約数列:

[1, 2, 5, 10, 3491, 6982, 17455, 34910, 604001, 1208002, 3020005, 6040010, 2108567491, 4217134982, 10542837455, 21085674910]

約数ペア:

[(1, 21085674910), (2, 10542837455), (5, 4217134982), (10, 2108567491), (3491, 6040010), (6982, 3020005), (17455, 1208002), (34910, 604001)]