21688549

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 25022088

約数和(自身を除く): 3333539

約数列:

[1, 17, 29, 37, 41, 493, 629, 697, 841, 1073, 1189, 1517, 14297, 18241, 20213, 25789, 31117, 34481, 43993, 528989, 586177, 747881, 1275797, 21688549]

約数ペア:

[(1, 21688549), (17, 1275797), (29, 747881), (37, 586177), (41, 528989), (493, 43993), (629, 34481), (697, 31117), (841, 25789), (1073, 20213), (1189, 18241), (1517, 14297)]