21651870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4597}}^1$

素因数の和:4764

約数の個数: 32

約数和(自身を含む): 52306848

約数和(自身を除く): 30654978

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 157, 314, 471, 785, 942, 1570, 2355, 4597, 4710, 9194, 13791, 22985, 27582, 45970, 68955, 137910, 721729, 1443458, 2165187, 3608645, 4330374, 7217290, 10825935, 21651870]

約数ペア:

[(1, 21651870), (2, 10825935), (3, 7217290), (5, 4330374), (6, 3608645), (10, 2165187), (15, 1443458), (30, 721729), (157, 137910), (314, 68955), (471, 45970), (785, 27582), (942, 22985), (1570, 13791), (2355, 9194), (4597, 4710)]