21656868

素因数分解:

$2^2\times 3^1\times {\mathrm{223}}^1\times {\mathrm{8093}}^1$

素因数の和:8323

約数の個数: 24

約数和(自身を含む): 50765568

約数和(自身を除く): 29108700

約数列:

[1, 2, 3, 4, 6, 12, 223, 446, 669, 892, 1338, 2676, 8093, 16186, 24279, 32372, 48558, 97116, 1804739, 3609478, 5414217, 7218956, 10828434, 21656868]

約数ペア:

[(1, 21656868), (2, 10828434), (3, 7218956), (4, 5414217), (6, 3609478), (12, 1804739), (223, 97116), (446, 48558), (669, 32372), (892, 24279), (1338, 16186), (2676, 8093)]