21611879

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 23750496

約数和(自身を除く): 2138617

約数列:

[1, 17, 41, 101, 307, 697, 1717, 4141, 5219, 12587, 31007, 70397, 213979, 527119, 1271287, 21611879]

約数ペア:

[(1, 21611879), (17, 1271287), (41, 527119), (101, 213979), (307, 70397), (697, 31007), (1717, 12587), (4141, 5219)]