21706530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{723551}}^1$

素因数の和:723561

約数の個数: 16

約数和(自身を含む): 52095744

約数和(自身を除く): 30389214

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 723551, 1447102, 2170653, 3617755, 4341306, 7235510, 10853265, 21706530]

約数ペア:

[(1, 21706530), (2, 10853265), (3, 7235510), (5, 4341306), (6, 3617755), (10, 2170653), (15, 1447102), (30, 723551)]