21551445

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11681}}^1$

素因数の和:11733

約数の個数: 24

約数和(自身を含む): 38270232

約数和(自身を除く): 16718787

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11681, 35043, 58405, 105129, 175215, 478921, 525645, 1436763, 2394605, 4310289, 7183815, 21551445]

約数ペア:

[(1, 21551445), (3, 7183815), (5, 4310289), (9, 2394605), (15, 1436763), (41, 525645), (45, 478921), (123, 175215), (205, 105129), (369, 58405), (615, 35043), (1845, 11681)]