21790834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{44111}}^1$

素因数の和:44145

約数の個数: 16

約数和(自身を含む): 37054080

約数和(自身を除く): 15263246

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 44111, 88222, 573443, 838109, 1146886, 1676218, 10895417, 21790834]

約数ペア:

[(1, 21790834), (2, 10895417), (13, 1676218), (19, 1146886), (26, 838109), (38, 573443), (247, 88222), (494, 44111)]