40221867

素因数分解:

$3^1\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{1579}}^1$

素因数の和:2802

約数の個数: 16

約数和(自身を含む): 61379840

約数和(自身を除く): 21157973

約数列:

[1, 3, 7, 21, 1213, 1579, 3639, 4737, 8491, 11053, 25473, 33159, 1915327, 5745981, 13407289, 40221867]

約数ペア:

[(1, 40221867), (3, 13407289), (7, 5745981), (21, 1915327), (1213, 33159), (1579, 25473), (3639, 11053), (4737, 8491)]