21316977

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1321}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 33822048

約数和(自身を除く): 12505071

約数列:

[1, 3, 9, 11, 33, 99, 163, 489, 1321, 1467, 1793, 3963, 5379, 11889, 14531, 16137, 43593, 130779, 215323, 645969, 1937907, 2368553, 7105659, 21316977]

約数ペア:

[(1, 21316977), (3, 7105659), (9, 2368553), (11, 1937907), (33, 645969), (99, 215323), (163, 130779), (489, 43593), (1321, 16137), (1467, 14531), (1793, 11889), (3963, 5379)]