21226456

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{71711}}^1$

素因数の和:71754

約数の個数: 16

約数和(自身を含む): 40875840

約数和(自身を除く): 19649384

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 71711, 143422, 286844, 573688, 2653307, 5306614, 10613228, 21226456]

約数ペア:

[(1, 21226456), (2, 10613228), (4, 5306614), (8, 2653307), (37, 573688), (74, 286844), (148, 143422), (296, 71711)]