21471946

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{653}}^1$

素因数の和:1097

約数の個数: 16

約数和(自身を含む): 33126408

約数和(自身を除く): 11654462

約数列:

[1, 2, 41, 82, 401, 653, 802, 1306, 16441, 26773, 32882, 53546, 261853, 523706, 10735973, 21471946]

約数ペア:

[(1, 21471946), (2, 10735973), (41, 523706), (82, 261853), (401, 53546), (653, 32882), (802, 26773), (1306, 16441)]