21591524305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19539841}}^1$

素因数の和:19539876

約数の個数: 16

約数和(自身を含む): 29544241104

約数和(自身を除く): 7952716799

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 19539841, 97699205, 254017933, 332177297, 1270089665, 1660886485, 4318304861, 21591524305]

約数ペア:

[(1, 21591524305), (5, 4318304861), (13, 1660886485), (17, 1270089665), (65, 332177297), (85, 254017933), (221, 97699205), (1105, 19539841)]