21710612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70489}}^1$

素因数の和:70511

約数の個数: 24

約数和(自身を含む): 47369280

約数和(自身を除く): 25658668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 70489, 140978, 281956, 493423, 775379, 986846, 1550758, 1973692, 3101516, 5427653, 10855306, 21710612]

約数ペア:

[(1, 21710612), (2, 10855306), (4, 5427653), (7, 3101516), (11, 1973692), (14, 1550758), (22, 986846), (28, 775379), (44, 493423), (77, 281956), (154, 140978), (308, 70489)]