21536874

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3659}}^1$

素因数の和:3779

約数の個数: 32

約数和(自身を含む): 48312000

約数和(自身を除く): 26775126

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3659, 5886, 7318, 10977, 21954, 32931, 65862, 98793, 197586, 398831, 797662, 1196493, 2392986, 3589479, 7178958, 10768437, 21536874]

約数ペア:

[(1, 21536874), (2, 10768437), (3, 7178958), (6, 3589479), (9, 2392986), (18, 1196493), (27, 797662), (54, 398831), (109, 197586), (218, 98793), (327, 65862), (654, 32931), (981, 21954), (1962, 10977), (2943, 7318), (3659, 5886)]