21621584

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2957}}^1$

素因数の和:3422

約数の個数: 20

約数和(自身を含む): 41997684

約数和(自身を除く): 20376100

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2957, 3656, 5914, 7312, 11828, 23656, 47312, 1351349, 2702698, 5405396, 10810792, 21621584]

約数ペア:

[(1, 21621584), (2, 10810792), (4, 5405396), (8, 2702698), (16, 1351349), (457, 47312), (914, 23656), (1828, 11828), (2957, 7312), (3656, 5914)]