2021097148

素因数分解:

$2^2\times 7^1\times {\mathrm{18041}}^1\times {\mathrm{4001}}^1$

素因数の和:22053

約数の個数: 24

約数和(自身を含む): 4043428704

約数和(自身を除く): 2022331556

約数列:

[1, 2, 4, 7, 14, 28, 4001, 8002, 16004, 18041, 28007, 36082, 56014, 72164, 112028, 126287, 252574, 505148, 72182041, 144364082, 288728164, 505274287, 1010548574, 2021097148]

約数ペア:

[(1, 2021097148), (2, 1010548574), (4, 505274287), (7, 288728164), (14, 144364082), (28, 72182041), (4001, 505148), (8002, 252574), (16004, 126287), (18041, 112028), (28007, 72164), (36082, 56014)]