21831381

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16963}}^1$

素因数の和:16993

約数の個数: 24

約数和(自身を含む): 37049376

約数和(自身を除く): 15217995

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16963, 50889, 152667, 186593, 220519, 559779, 661557, 1679337, 1984671, 2425709, 7277127, 21831381]

約数ペア:

[(1, 21831381), (3, 7277127), (9, 2425709), (11, 1984671), (13, 1679337), (33, 661557), (39, 559779), (99, 220519), (117, 186593), (143, 152667), (429, 50889), (1287, 16963)]