21521569059

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4339901}}^1$

素因数の和:4339955

約数の個数: 24

約数和(自身を含む): 33851235600

約数和(自身を除く): 12329666541

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 4339901, 13019703, 39059109, 82458119, 125857129, 247374357, 377571387, 742123071, 1132714161, 2391285451, 7173856353, 21521569059]

約数ペア:

[(1, 21521569059), (3, 7173856353), (9, 2391285451), (19, 1132714161), (29, 742123071), (57, 377571387), (87, 247374357), (171, 125857129), (261, 82458119), (551, 39059109), (1653, 13019703), (4959, 4339901)]