21113547

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77339}}^1$

素因数の和:77362

約数の個数: 16

約数和(自身を含む): 34648320

約数和(自身を除く): 13534773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 77339, 232017, 541373, 1005407, 1624119, 3016221, 7037849, 21113547]

約数ペア:

[(1, 21113547), (3, 7037849), (7, 3016221), (13, 1624119), (21, 1005407), (39, 541373), (91, 232017), (273, 77339)]