21569010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1811}}^1$

素因数の和:2218

約数の個数: 32

約数和(自身を含む): 51924672

約数和(自身を除く): 30355662

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1811, 1985, 2382, 3622, 3970, 5433, 5955, 9055, 10866, 11910, 18110, 27165, 54330, 718967, 1437934, 2156901, 3594835, 4313802, 7189670, 10784505, 21569010]

約数ペア:

[(1, 21569010), (2, 10784505), (3, 7189670), (5, 4313802), (6, 3594835), (10, 2156901), (15, 1437934), (30, 718967), (397, 54330), (794, 27165), (1191, 18110), (1811, 11910), (1985, 10866), (2382, 9055), (3622, 5955), (3970, 5433)]