21590986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{919}}^1$

素因数の和:1629

約数の個数: 16

約数和(自身を含む): 34378560

約数和(自身を除く): 12787574

約数列:

[1, 2, 17, 34, 691, 919, 1382, 1838, 11747, 15623, 23494, 31246, 635029, 1270058, 10795493, 21590986]

約数ペア:

[(1, 21590986), (2, 10795493), (17, 1270058), (34, 635029), (691, 31246), (919, 23494), (1382, 15623), (1838, 11747)]