21620646

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{7369}}^1$

素因数の和:7540

約数の個数: 24

約数和(自身を含む): 47138520

約数和(自身を除く): 25517874

約数列:

[1, 2, 3, 6, 9, 18, 163, 326, 489, 978, 1467, 2934, 7369, 14738, 22107, 44214, 66321, 132642, 1201147, 2402294, 3603441, 7206882, 10810323, 21620646]

約数ペア:

[(1, 21620646), (2, 10810323), (3, 7206882), (6, 3603441), (9, 2402294), (18, 1201147), (163, 132642), (326, 66321), (489, 44214), (978, 22107), (1467, 14738), (2934, 7369)]