21502696

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{65557}}^1$

素因数の和:65604

約数の個数: 16

約数和(自身を含む): 41301540

約数和(自身を除く): 19798844

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 65557, 131114, 262228, 524456, 2687837, 5375674, 10751348, 21502696]

約数ペア:

[(1, 21502696), (2, 10751348), (4, 5375674), (8, 2687837), (41, 524456), (82, 262228), (164, 131114), (328, 65557)]