21008280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{175069}}^1$

素因数の和:175083

約数の個数: 32

約数和(自身を含む): 63025200

約数和(自身を除く): 42016920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 175069, 350138, 525207, 700276, 875345, 1050414, 1400552, 1750690, 2100828, 2626035, 3501380, 4201656, 5252070, 7002760, 10504140, 21008280]

約数ペア:

[(1, 21008280), (2, 10504140), (3, 7002760), (4, 5252070), (5, 4201656), (6, 3501380), (8, 2626035), (10, 2100828), (12, 1750690), (15, 1400552), (20, 1050414), (24, 875345), (30, 700276), (40, 525207), (60, 350138), (120, 175069)]