21748869

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3623}}^1$

素因数の和:3681

約数の個数: 24

約数和(自身を含む): 33920640

約数和(自身を除く): 12171771

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3623, 6003, 10869, 32607, 83329, 105067, 249987, 315201, 749961, 945603, 2416541, 7249623, 21748869]

約数ペア:

[(1, 21748869), (3, 7249623), (9, 2416541), (23, 945603), (29, 749961), (69, 315201), (87, 249987), (207, 105067), (261, 83329), (667, 32607), (2001, 10869), (3623, 6003)]