21813780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{363563}}^1$

素因数の和:363575

約数の個数: 24

約数和(自身を含む): 61078752

約数和(自身を除く): 39264972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 363563, 727126, 1090689, 1454252, 1817815, 2181378, 3635630, 4362756, 5453445, 7271260, 10906890, 21813780]

約数ペア:

[(1, 21813780), (2, 10906890), (3, 7271260), (4, 5453445), (5, 4362756), (6, 3635630), (10, 2181378), (12, 1817815), (15, 1454252), (20, 1090689), (30, 727126), (60, 363563)]