21810573

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{7411}}^1$

素因数の和:7529

約数の個数: 16

約数和(自身を含む): 32612800

約数和(自身を除く): 10802227

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 7411, 22233, 66699, 200097, 807799, 2423397, 7270191, 21810573]

約数ペア:

[(1, 21810573), (3, 7270191), (9, 2423397), (27, 807799), (109, 200097), (327, 66699), (981, 22233), (2943, 7411)]