21871894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{58481}}^1$

素因数の和:58511

約数の個数: 16

約数和(自身を含む): 37896336

約数和(自身を除く): 16024442

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 58481, 116962, 643291, 994177, 1286582, 1988354, 10935947, 21871894]

約数ペア:

[(1, 21871894), (2, 10935947), (11, 1988354), (17, 1286582), (22, 994177), (34, 643291), (187, 116962), (374, 58481)]