21167772689

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{2683201}}^1$

素因数の和:2683245

約数の個数: 16

約数和(自身を含む): 25758739200

約数和(自身を除く): 4590966511

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 2683201, 18782407, 61713623, 131476849, 431995361, 920337943, 3023967527, 21167772689]

約数ペア:

[(1, 21167772689), (7, 3023967527), (23, 920337943), (49, 431995361), (161, 131476849), (343, 61713623), (1127, 18782407), (7889, 2683201)]