21621798

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109201}}^1$

素因数の和:109220

約数の個数: 24

約数和(自身を含む): 51106536

約数和(自身を除く): 29484738

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 109201, 218402, 327603, 655206, 982809, 1201211, 1965618, 2402422, 3603633, 7207266, 10810899, 21621798]

約数ペア:

[(1, 21621798), (2, 10810899), (3, 7207266), (6, 3603633), (9, 2402422), (11, 1965618), (18, 1201211), (22, 982809), (33, 655206), (66, 327603), (99, 218402), (198, 109201)]