21796658

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27043}}^1$

素因数の和:27089

約数の個数: 16

約数和(自身を含む): 36347136

約数和(自身を除く): 14550478

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 27043, 54086, 351559, 703118, 838333, 1676666, 10898329, 21796658]

約数ペア:

[(1, 21796658), (2, 10898329), (13, 1676666), (26, 838333), (31, 703118), (62, 351559), (403, 54086), (806, 27043)]