21256572

素因数分解:

$2^2\times 3^1\times {\mathrm{151}}^1\times {\mathrm{11731}}^1$

素因数の和:11889

約数の個数: 24

約数和(自身を含む): 49931392

約数和(自身を除く): 28674820

約数列:

[1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812, 11731, 23462, 35193, 46924, 70386, 140772, 1771381, 3542762, 5314143, 7085524, 10628286, 21256572]

約数ペア:

[(1, 21256572), (2, 10628286), (3, 7085524), (4, 5314143), (6, 3542762), (12, 1771381), (151, 140772), (302, 70386), (453, 46924), (604, 35193), (906, 23462), (1812, 11731)]