21432220

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1789}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 45108000

約数和(自身を除く): 23675780

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 1789, 2396, 2995, 3578, 5990, 7156, 8945, 11980, 17890, 35780, 1071611, 2143222, 4286444, 5358055, 10716110, 21432220]

約数ペア:

[(1, 21432220), (2, 10716110), (4, 5358055), (5, 4286444), (10, 2143222), (20, 1071611), (599, 35780), (1198, 17890), (1789, 11980), (2396, 8945), (2995, 7156), (3578, 5990)]