21165180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{352753}}^1$

素因数の和:352765

約数の個数: 24

約数和(自身を含む): 59262672

約数和(自身を除く): 38097492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 352753, 705506, 1058259, 1411012, 1763765, 2116518, 3527530, 4233036, 5291295, 7055060, 10582590, 21165180]

約数ペア:

[(1, 21165180), (2, 10582590), (3, 7055060), (4, 5291295), (5, 4233036), (6, 3527530), (10, 2116518), (12, 1763765), (15, 1411012), (20, 1058259), (30, 705506), (60, 352753)]