21931474

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3767}}^1$

素因数の和:3881

約数の個数: 16

約数和(自身を含む): 34183296

約数和(自身を除く): 12251822

約数列:

[1, 2, 41, 71, 82, 142, 2911, 3767, 5822, 7534, 154447, 267457, 308894, 534914, 10965737, 21931474]

約数ペア:

[(1, 21931474), (2, 10965737), (41, 534914), (71, 308894), (82, 267457), (142, 154447), (2911, 7534), (3767, 5822)]