21332518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8837}}^1$

素因数の和:8927

約数の個数: 16

約数和(自身を含む): 34362144

約数和(自身を除く): 13029626

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8837, 17674, 150229, 300458, 627427, 1254854, 10666259, 21332518]

約数ペア:

[(1, 21332518), (2, 10666259), (17, 1254854), (34, 627427), (71, 300458), (142, 150229), (1207, 17674), (2414, 8837)]