21166680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176389}}^1$

素因数の和:176403

約数の個数: 32

約数和(自身を含む): 63500400

約数和(自身を除く): 42333720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176389, 352778, 529167, 705556, 881945, 1058334, 1411112, 1763890, 2116668, 2645835, 3527780, 4233336, 5291670, 7055560, 10583340, 21166680]

約数ペア:

[(1, 21166680), (2, 10583340), (3, 7055560), (4, 5291670), (5, 4233336), (6, 3527780), (8, 2645835), (10, 2116668), (12, 1763890), (15, 1411112), (20, 1058334), (24, 881945), (30, 705556), (40, 529167), (60, 352778), (120, 176389)]