21680594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 37180416

約数和(自身を除く): 15499822

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 727, 806, 962, 1147, 1454, 2294, 9451, 14911, 18902, 22537, 26899, 29822, 45074, 53798, 292981, 349687, 585962, 699374, 833869, 1667738, 10840297, 21680594]

約数ペア:

[(1, 21680594), (2, 10840297), (13, 1667738), (26, 833869), (31, 699374), (37, 585962), (62, 349687), (74, 292981), (403, 53798), (481, 45074), (727, 29822), (806, 26899), (962, 22537), (1147, 18902), (1454, 14911), (2294, 9451)]