21968514

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{11197}}^1$

素因数の和:11314

約数の個数: 24

約数和(自身を含む): 48039420

約数和(自身を除く): 26070906

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 11197, 22394, 33591, 67182, 100773, 201546, 1220473, 2440946, 3661419, 7322838, 10984257, 21968514]

約数ペア:

[(1, 21968514), (2, 10984257), (3, 7322838), (6, 3661419), (9, 2440946), (18, 1220473), (109, 201546), (218, 100773), (327, 67182), (654, 33591), (981, 22394), (1962, 11197)]