21422560

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{701}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 29525792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 382, 701, 764, 955, 1402, 1528, 1910, 2804, 3056, 3505, 3820, 5608, 6112, 7010, 7640, 11216, 14020, 15280, 22432, 28040, 30560, 56080, 112160, 133891, 267782, 535564, 669455, 1071128, 1338910, 2142256, 2677820, 4284512, 5355640, 10711280, 21422560]

約数ペア:

[(1, 21422560), (2, 10711280), (4, 5355640), (5, 4284512), (8, 2677820), (10, 2142256), (16, 1338910), (20, 1071128), (32, 669455), (40, 535564), (80, 267782), (160, 133891), (191, 112160), (382, 56080), (701, 30560), (764, 28040), (955, 22432), (1402, 15280), (1528, 14020), (1910, 11216), (2804, 7640), (3056, 7010), (3505, 6112), (3820, 5608)]