21885388

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6917}}^1$

素因数の和:7041

約数の個数: 24

約数和(自身を含む): 44164512

約数和(自身を除く): 22279124

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6917, 13834, 27668, 48419, 96838, 193676, 781621, 1563242, 3126484, 5471347, 10942694, 21885388]

約数ペア:

[(1, 21885388), (2, 10942694), (4, 5471347), (7, 3126484), (14, 1563242), (28, 781621), (113, 193676), (226, 96838), (452, 48419), (791, 27668), (1582, 13834), (3164, 6917)]