21695656

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{51169}}^1$

素因数の和:51228

約数の個数: 16

約数和(自身を含む): 41447700

約数和(自身を除く): 19752044

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 51169, 102338, 204676, 409352, 2711957, 5423914, 10847828, 21695656]

約数ペア:

[(1, 21695656), (2, 10847828), (4, 5423914), (8, 2711957), (53, 409352), (106, 204676), (212, 102338), (424, 51169)]