21127658

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{907}}^1$

素因数の和:1541

約数の個数: 16

約数和(自身を含む): 33450720

約数和(自身を除く): 12323062

約数列:

[1, 2, 19, 38, 613, 907, 1226, 1814, 11647, 17233, 23294, 34466, 555991, 1111982, 10563829, 21127658]

約数ペア:

[(1, 21127658), (2, 10563829), (19, 1111982), (38, 555991), (613, 34466), (907, 23294), (1226, 17233), (1814, 11647)]