21919545

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9551}}^1$

素因数の和:9582

約数の個数: 32

約数和(自身を含む): 41264640

約数和(自身を除く): 19345095

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9551, 28653, 47755, 85959, 143265, 162367, 257877, 429795, 487101, 811835, 1289385, 1461303, 2435505, 4383909, 7306515, 21919545]

約数ペア:

[(1, 21919545), (3, 7306515), (5, 4383909), (9, 2435505), (15, 1461303), (17, 1289385), (27, 811835), (45, 487101), (51, 429795), (85, 257877), (135, 162367), (153, 143265), (255, 85959), (459, 47755), (765, 28653), (2295, 9551)]