21521566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51487}}^1$

素因数の和:51519

約数の個数: 16

約数和(自身を含む): 37071360

約数和(自身を除く): 15549794

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 51487, 102974, 566357, 978253, 1132714, 1956506, 10760783, 21521566]

約数ペア:

[(1, 21521566), (2, 10760783), (11, 1956506), (19, 1132714), (22, 978253), (38, 566357), (209, 102974), (418, 51487)]