21612195

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43661}}^1$

素因数の和:43683

約数の個数: 24

約数和(自身を含む): 40867632

約数和(自身を除く): 19255437

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 43661, 130983, 218305, 392949, 480271, 654915, 1440813, 1964745, 2401355, 4322439, 7204065, 21612195]

約数ペア:

[(1, 21612195), (3, 7204065), (5, 4322439), (9, 2401355), (11, 1964745), (15, 1440813), (33, 654915), (45, 480271), (55, 392949), (99, 218305), (165, 130983), (495, 43661)]