21273225

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3187}}^1$

素因数の和:3289

約数の個数: 24

約数和(自身を含む): 35578080

約数和(自身を除く): 14304855

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 3187, 6675, 9561, 15935, 47805, 79675, 239025, 283643, 850929, 1418215, 4254645, 7091075, 21273225]

約数ペア:

[(1, 21273225), (3, 7091075), (5, 4254645), (15, 1418215), (25, 850929), (75, 283643), (89, 239025), (267, 79675), (445, 47805), (1335, 15935), (2225, 9561), (3187, 6675)]