21708269

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4003}}^1$

素因数の和:4060

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 4237651

約数列:

[1, 11, 17, 29, 187, 319, 493, 4003, 5423, 44033, 68051, 116087, 748561, 1276957, 1973479, 21708269]

約数ペア:

[(1, 21708269), (11, 1973479), (17, 1276957), (29, 748561), (187, 116087), (319, 68051), (493, 44033), (4003, 5423)]