21802023938

素因数分解:

$2^1\times {\mathrm{409}}^1\times {\mathrm{2971}}^1\times {\mathrm{8971}}^1$

素因数の和:12353

約数の個数: 16

約数和(自身を含む): 32797684320

約数和(自身を除く): 10995660382

約数列:

[1, 2, 409, 818, 2971, 5942, 8971, 17942, 1215139, 2430278, 3669139, 7338278, 26652841, 53305682, 10901011969, 21802023938]

約数ペア:

[(1, 21802023938), (2, 10901011969), (409, 53305682), (818, 26652841), (2971, 7338278), (5942, 3669139), (8971, 2430278), (17942, 1215139)]