21234057

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3917}}^1$

素因数の和:4072

約数の個数: 16

約数和(自身を含む): 30717120

約数和(自身を除く): 9483063

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3917, 5421, 11751, 50921, 152763, 544463, 1633389, 7078019, 21234057]

約数ペア:

[(1, 21234057), (3, 7078019), (13, 1633389), (39, 544463), (139, 152763), (417, 50921), (1807, 11751), (3917, 5421)]