21395056

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{7001}}^1$

素因数の和:7200

約数の個数: 20

約数和(自身を含む): 41675904

約数和(自身を除く): 20280848

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 7001, 14002, 28004, 56008, 112016, 1337191, 2674382, 5348764, 10697528, 21395056]

約数ペア:

[(1, 21395056), (2, 10697528), (4, 5348764), (8, 2674382), (16, 1337191), (191, 112016), (382, 56008), (764, 28004), (1528, 14002), (3056, 7001)]