21620804989

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1\times {\mathrm{44179}}^1$

素因数の和:44800

約数の個数: 16

約数和(自身を含む): 24927416320

約数和(自身を除く): 3306611331

約数列:

[1, 7, 151, 463, 1057, 3241, 44179, 69913, 309253, 489391, 6671029, 20454877, 46697203, 143184139, 3088686427, 21620804989]

約数ペア:

[(1, 21620804989), (7, 3088686427), (151, 143184139), (463, 46697203), (1057, 20454877), (3241, 6671029), (44179, 489391), (69913, 309253)]