21167358005

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{3449}}^1\times {\mathrm{11261}}^1$

素因数の和:14824

約数の個数: 16

約数和(自身を含む): 25643574000

約数和(自身を除く): 4476215995

約数列:

[1, 5, 109, 545, 3449, 11261, 17245, 56305, 375941, 1227449, 1879705, 6137245, 38839189, 194195945, 4233471601, 21167358005]

約数ペア:

[(1, 21167358005), (5, 4233471601), (109, 194195945), (545, 38839189), (3449, 6137245), (11261, 1879705), (17245, 1227449), (56305, 375941)]