21320904

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{80761}}^1$

素因数の和:80781

約数の個数: 32

約数和(自身を含む): 58148640

約数和(自身を除く): 36827736

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 80761, 161522, 242283, 323044, 484566, 646088, 888371, 969132, 1776742, 1938264, 2665113, 3553484, 5330226, 7106968, 10660452, 21320904]

約数ペア:

[(1, 21320904), (2, 10660452), (3, 7106968), (4, 5330226), (6, 3553484), (8, 2665113), (11, 1938264), (12, 1776742), (22, 969132), (24, 888371), (33, 646088), (44, 484566), (66, 323044), (88, 242283), (132, 161522), (264, 80761)]