21220834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{911}}^1$

素因数の和:1545

約数の個数: 16

約数和(自身を含む): 33598080

約数和(自身を除く): 12377246

約数列:

[1, 2, 19, 38, 613, 911, 1226, 1822, 11647, 17309, 23294, 34618, 558443, 1116886, 10610417, 21220834]

約数ペア:

[(1, 21220834), (2, 10610417), (19, 1116886), (38, 558443), (613, 34618), (911, 23294), (1226, 17309), (1822, 11647)]