21754313

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 25656960

約数和(自身を除く): 3902647

約数列:

[1, 7, 41, 229, 287, 331, 1603, 2317, 9389, 13571, 65723, 75799, 94997, 530593, 3107759, 21754313]

約数ペア:

[(1, 21754313), (7, 3107759), (41, 530593), (229, 94997), (287, 75799), (331, 65723), (1603, 13571), (2317, 9389)]