21894639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{15173}}^1$

素因数の和:15226

約数の個数: 16

約数和(自身を含む): 32290272

約数和(自身を除く): 10395633

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 15173, 45519, 197249, 561401, 591747, 1684203, 7298213, 21894639]

約数ペア:

[(1, 21894639), (3, 7298213), (13, 1684203), (37, 591747), (39, 561401), (111, 197249), (481, 45519), (1443, 15173)]