21252120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{177101}}^1$

素因数の和:177115

約数の個数: 32

約数和(自身を含む): 63756720

約数和(自身を除く): 42504600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 177101, 354202, 531303, 708404, 885505, 1062606, 1416808, 1771010, 2125212, 2656515, 3542020, 4250424, 5313030, 7084040, 10626060, 21252120]

約数ペア:

[(1, 21252120), (2, 10626060), (3, 7084040), (4, 5313030), (5, 4250424), (6, 3542020), (8, 2656515), (10, 2125212), (12, 1771010), (15, 1416808), (20, 1062606), (24, 885505), (30, 708404), (40, 531303), (60, 354202), (120, 177101)]