21697829

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 24105600

約数和(自身を除く): 2407771

約数列:

[1, 19, 29, 53, 551, 743, 1007, 1537, 14117, 21547, 29203, 39379, 409393, 748201, 1141991, 21697829]

約数ペア:

[(1, 21697829), (19, 1141991), (29, 748201), (53, 409393), (551, 39379), (743, 29203), (1007, 21547), (1537, 14117)]