21064336

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5749}}^1$

素因数の和:5986

約数の個数: 20

約数和(自身を含む): 40997500

約数和(自身を除く): 19933164

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5749, 11498, 22996, 45992, 91984, 1316521, 2633042, 5266084, 10532168, 21064336]

約数ペア:

[(1, 21064336), (2, 10532168), (4, 5266084), (8, 2633042), (16, 1316521), (229, 91984), (458, 45992), (916, 22996), (1832, 11498), (3664, 5749)]