21144770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4289}}^1$

素因数の和:4342

約数の個数: 32

約数和(自身を含む): 41698800

約数和(自身を除く): 20554030

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4289, 4930, 8578, 21445, 42890, 72913, 124381, 145826, 248762, 364565, 621905, 729130, 1243810, 2114477, 4228954, 10572385, 21144770]

約数ペア:

[(1, 21144770), (2, 10572385), (5, 4228954), (10, 2114477), (17, 1243810), (29, 729130), (34, 621905), (58, 364565), (85, 248762), (145, 145826), (170, 124381), (290, 72913), (493, 42890), (986, 21445), (2465, 8578), (4289, 4930)]