21903318

素因数分解:

$2^1\times 3^3\times {\mathrm{587}}^1\times {\mathrm{691}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 48827520

約数和(自身を除く): 26924202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 587, 691, 1174, 1382, 1761, 2073, 3522, 4146, 5283, 6219, 10566, 12438, 15849, 18657, 31698, 37314, 405617, 811234, 1216851, 2433702, 3650553, 7301106, 10951659, 21903318]

約数ペア:

[(1, 21903318), (2, 10951659), (3, 7301106), (6, 3650553), (9, 2433702), (18, 1216851), (27, 811234), (54, 405617), (587, 37314), (691, 31698), (1174, 18657), (1382, 15849), (1761, 12438), (2073, 10566), (3522, 6219), (4146, 5283)]