21744728421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1\times {\mathrm{7727}}^1$

素因数の和:9025

約数の個数: 32

約数和(自身を含む): 31782481920

約数和(自身を除く): 10037753499

約数列:

[1, 3, 13, 39, 59, 177, 767, 1223, 2301, 3669, 7727, 15899, 23181, 47697, 72157, 100451, 216471, 301353, 455893, 938041, 1367679, 2814123, 5926609, 9450121, 17779827, 28350363, 122851573, 368554719, 557557139, 1672671417, 7248242807, 21744728421]

約数ペア:

[(1, 21744728421), (3, 7248242807), (13, 1672671417), (39, 557557139), (59, 368554719), (177, 122851573), (767, 28350363), (1223, 17779827), (2301, 9450121), (3669, 5926609), (7727, 2814123), (15899, 1367679), (23181, 938041), (47697, 455893), (72157, 301353), (100451, 216471)]