21900314

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{653}}^1$

素因数の和:1105

約数の個数: 16

約数和(自身を含む): 33785640

約数和(自身を除く): 11885326

約数列:

[1, 2, 41, 82, 409, 653, 818, 1306, 16769, 26773, 33538, 53546, 267077, 534154, 10950157, 21900314]

約数ペア:

[(1, 21900314), (2, 10950157), (41, 534154), (82, 267077), (409, 53546), (653, 33538), (818, 26773), (1306, 16769)]