21617178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2579}}^1$

素因数の和:2722

約数の個数: 32

約数和(自身を含む): 47554560

約数和(自身を除く): 25937382

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 127, 254, 381, 762, 1397, 2579, 2794, 4191, 5158, 7737, 8382, 15474, 28369, 56738, 85107, 170214, 327533, 655066, 982599, 1965198, 3602863, 7205726, 10808589, 21617178]

約数ペア:

[(1, 21617178), (2, 10808589), (3, 7205726), (6, 3602863), (11, 1965198), (22, 982599), (33, 655066), (66, 327533), (127, 170214), (254, 85107), (381, 56738), (762, 28369), (1397, 15474), (2579, 8382), (2794, 7737), (4191, 5158)]