21402436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25601}}^1$

素因数の和:25635

約数の個数: 24

約数和(自身を含む): 43011360

約数和(自身を除く): 21608924

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25601, 51202, 102404, 281611, 486419, 563222, 972838, 1126444, 1945676, 5350609, 10701218, 21402436]

約数ペア:

[(1, 21402436), (2, 10701218), (4, 5350609), (11, 1945676), (19, 1126444), (22, 972838), (38, 563222), (44, 486419), (76, 281611), (209, 102404), (418, 51202), (836, 25601)]