21259002

素因数分解:

$2^1\times 3^1\times {\mathrm{409}}^1\times {\mathrm{8663}}^1$

素因数の和:9077

約数の個数: 16

約数和(自身を含む): 42626880

約数和(自身を除く): 21367878

約数列:

[1, 2, 3, 6, 409, 818, 1227, 2454, 8663, 17326, 25989, 51978, 3543167, 7086334, 10629501, 21259002]

約数ペア:

[(1, 21259002), (2, 10629501), (3, 7086334), (6, 3543167), (409, 51978), (818, 25989), (1227, 17326), (2454, 8663)]