21224643

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{17383}}^1$

素因数の和:17434

約数の個数: 16

約数和(自身を含む): 31708416

約数和(自身を除く): 10483773

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 17383, 52149, 191213, 573639, 643171, 1929513, 7074881, 21224643]

約数ペア:

[(1, 21224643), (3, 7074881), (11, 1929513), (33, 643171), (37, 573639), (111, 191213), (407, 52149), (1221, 17383)]