21920512268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1935757}}^1$

素因数の和:1935929

約数の個数: 24

約数和(自身を含む): 40650918000

約数和(自身を除く): 18730405732

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 2831, 5662, 11324, 1935757, 3871514, 7743028, 36779383, 73558766, 147117532, 288427793, 576855586, 1153711172, 5480128067, 10960256134, 21920512268]

約数ペア:

[(1, 21920512268), (2, 10960256134), (4, 5480128067), (19, 1153711172), (38, 576855586), (76, 288427793), (149, 147117532), (298, 73558766), (596, 36779383), (2831, 7743028), (5662, 3871514), (11324, 1935757)]