21961690

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{46727}}^1$

素因数の和:46781

約数の個数: 16

約数和(自身を含む): 40372992

約数和(自身を除く): 18411302

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 46727, 93454, 233635, 467270, 2196169, 4392338, 10980845, 21961690]

約数ペア:

[(1, 21961690), (2, 10980845), (5, 4392338), (10, 2196169), (47, 467270), (94, 233635), (235, 93454), (470, 46727)]