20210908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2633}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 37613520

約数和(自身を除く): 17402612

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 2633, 3838, 5266, 7676, 10532, 50027, 100054, 200108, 265933, 531866, 1063732, 5052727, 10105454, 20210908]

約数ペア:

[(1, 20210908), (2, 10105454), (4, 5052727), (19, 1063732), (38, 531866), (76, 265933), (101, 200108), (202, 100054), (404, 50027), (1919, 10532), (2633, 7676), (3838, 5266)]