21536710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165667}}^1$

素因数の和:165687

約数の個数: 16

約数和(自身を含む): 41748336

約数和(自身を除く): 20211626

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 165667, 331334, 828335, 1656670, 2153671, 4307342, 10768355, 21536710]

約数ペア:

[(1, 21536710), (2, 10768355), (5, 4307342), (10, 2153671), (13, 1656670), (26, 828335), (65, 331334), (130, 165667)]