21862521

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{2243}}^1$

素因数の和:2290

約数の個数: 24

約数和(自身を含む): 34198560

約数和(自身を除く): 12336039

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 2243, 3249, 6729, 9747, 20187, 42617, 60561, 127851, 383553, 809723, 1150659, 2429169, 7287507, 21862521]

約数ペア:

[(1, 21862521), (3, 7287507), (9, 2429169), (19, 1150659), (27, 809723), (57, 383553), (171, 127851), (361, 60561), (513, 42617), (1083, 20187), (2243, 9747), (3249, 6729)]