21543780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359063}}^1$

素因数の和:359075

約数の個数: 24

約数和(自身を含む): 60322752

約数和(自身を除く): 38778972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359063, 718126, 1077189, 1436252, 1795315, 2154378, 3590630, 4308756, 5385945, 7181260, 10771890, 21543780]

約数ペア:

[(1, 21543780), (2, 10771890), (3, 7181260), (4, 5385945), (5, 4308756), (6, 3590630), (10, 2154378), (12, 1795315), (15, 1436252), (20, 1077189), (30, 718126), (60, 359063)]