21086754

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270343}}^1$

素因数の和:270361

約数の個数: 16

約数和(自身を含む): 45417792

約数和(自身を除く): 24331038

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270343, 540686, 811029, 1622058, 3514459, 7028918, 10543377, 21086754]

約数ペア:

[(1, 21086754), (2, 10543377), (3, 7028918), (6, 3514459), (13, 1622058), (26, 811029), (39, 540686), (78, 270343)]