21529612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{414031}}^1$

素因数の和:414048

約数の個数: 12

約数和(自身を含む): 40575136

約数和(自身を除く): 19045524

約数列:

[1, 2, 4, 13, 26, 52, 414031, 828062, 1656124, 5382403, 10764806, 21529612]

約数ペア:

[(1, 21529612), (2, 10764806), (4, 5382403), (13, 1656124), (26, 828062), (52, 414031)]