2181242558

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{219839}}^1$

素因数の和:219904

約数の個数: 24

約数和(自身を含む): 3684078720

約数和(自身を除く): 1502836162

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 4961, 9922, 219839, 439678, 2418229, 4836458, 9013399, 18026798, 26600519, 53201038, 99147389, 198294778, 1090621279, 2181242558]

約数ペア:

[(1, 2181242558), (2, 1090621279), (11, 198294778), (22, 99147389), (41, 53201038), (82, 26600519), (121, 18026798), (242, 9013399), (451, 4836458), (902, 2418229), (4961, 439678), (9922, 219839)]