21015084

素因数分解:

$2^2\times 3^1\times {\mathrm{571}}^1\times {\mathrm{3067}}^1$

素因数の和:3645

約数の個数: 24

約数和(自身を含む): 49137088

約数和(自身を除く): 28122004

約数列:

[1, 2, 3, 4, 6, 12, 571, 1142, 1713, 2284, 3067, 3426, 6134, 6852, 9201, 12268, 18402, 36804, 1751257, 3502514, 5253771, 7005028, 10507542, 21015084]

約数ペア:

[(1, 21015084), (2, 10507542), (3, 7005028), (4, 5253771), (6, 3502514), (12, 1751257), (571, 36804), (1142, 18402), (1713, 12268), (2284, 9201), (3067, 6852), (3426, 6134)]