21282490

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4657}}^1$

素因数の和:5121

約数の個数: 16

約数和(自身を含む): 38400552

約数和(自身を除く): 17118062

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 4657, 9314, 23285, 46570, 2128249, 4256498, 10641245, 21282490]

約数ペア:

[(1, 21282490), (2, 10641245), (5, 4256498), (10, 2128249), (457, 46570), (914, 23285), (2285, 9314), (4570, 4657)]