21386262

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25643}}^1$

素因数の和:25787

約数の個数: 16

約数和(自身を含む): 43081920

約数和(自身を除く): 21695658

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25643, 51286, 76929, 153858, 3564377, 7128754, 10693131, 21386262]

約数ペア:

[(1, 21386262), (2, 10693131), (3, 7128754), (6, 3564377), (139, 153858), (278, 76929), (417, 51286), (834, 25643)]