21093795

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15121}}^1$

素因数の和:15163

約数の個数: 24

約数和(自身を含む): 37744512

約数和(自身を除く): 16650717

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 15121, 45363, 75605, 136089, 226815, 468751, 680445, 1406253, 2343755, 4218759, 7031265, 21093795]

約数ペア:

[(1, 21093795), (3, 7031265), (5, 4218759), (9, 2343755), (15, 1406253), (31, 680445), (45, 468751), (93, 226815), (155, 136089), (279, 75605), (465, 45363), (1395, 15121)]