21495972

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{43691}}^1$

素因数の和:43739

約数の個数: 24

約数和(自身を含む): 51381792

約数和(自身を除く): 29885820

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 43691, 87382, 131073, 174764, 262146, 524292, 1791331, 3582662, 5373993, 7165324, 10747986, 21495972]

約数ペア:

[(1, 21495972), (2, 10747986), (3, 7165324), (4, 5373993), (6, 3582662), (12, 1791331), (41, 524292), (82, 262146), (123, 174764), (164, 131073), (246, 87382), (492, 43691)]