21000228

素因数分解:

$2^2\times 3^1\times {\mathrm{829}}^1\times {\mathrm{2111}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 49082880

約数和(自身を除く): 28082652

約数列:

[1, 2, 3, 4, 6, 12, 829, 1658, 2111, 2487, 3316, 4222, 4974, 6333, 8444, 9948, 12666, 25332, 1750019, 3500038, 5250057, 7000076, 10500114, 21000228]

約数ペア:

[(1, 21000228), (2, 10500114), (3, 7000076), (4, 5250057), (6, 3500038), (12, 1750019), (829, 25332), (1658, 12666), (2111, 9948), (2487, 8444), (3316, 6333), (4222, 4974)]