21566548

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4423}}^1$

素因数の和:4503

約数の個数: 24

約数和(自身を含む): 40134528

約数和(自身を除く): 18567980

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4423, 4876, 8846, 17692, 101729, 203458, 234419, 406916, 468838, 937676, 5391637, 10783274, 21566548]

約数ペア:

[(1, 21566548), (2, 10783274), (4, 5391637), (23, 937676), (46, 468838), (53, 406916), (92, 234419), (106, 203458), (212, 101729), (1219, 17692), (2438, 8846), (4423, 4876)]