21809309038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{61379}}^1$

素因数の和:61944

約数の個数: 32

約数和(自身を含む): 36910494720

約数和(自身を除く): 15101185682

約数列:

[1, 2, 11, 22, 31, 62, 341, 521, 682, 1042, 5731, 11462, 16151, 32302, 61379, 122758, 177661, 355322, 675169, 1350338, 1902749, 3805498, 20930239, 31978459, 41860478, 63956918, 351763049, 703526098, 991332229, 1982664458, 10904654519, 21809309038]

約数ペア:

[(1, 21809309038), (2, 10904654519), (11, 1982664458), (22, 991332229), (31, 703526098), (62, 351763049), (341, 63956918), (521, 41860478), (682, 31978459), (1042, 20930239), (5731, 3805498), (11462, 1902749), (16151, 1350338), (32302, 675169), (61379, 355322), (122758, 177661)]