21668958

素因数分解:

$2^1\times 3^4\times {\mathrm{181}}^1\times {\mathrm{739}}^1$

素因数の和:934

約数の個数: 40

約数和(自身を含む): 48888840

約数和(自身を除く): 27219882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 181, 362, 543, 739, 1086, 1478, 1629, 2217, 3258, 4434, 4887, 6651, 9774, 13302, 14661, 19953, 29322, 39906, 59859, 119718, 133759, 267518, 401277, 802554, 1203831, 2407662, 3611493, 7222986, 10834479, 21668958]

約数ペア:

[(1, 21668958), (2, 10834479), (3, 7222986), (6, 3611493), (9, 2407662), (18, 1203831), (27, 802554), (54, 401277), (81, 267518), (162, 133759), (181, 119718), (362, 59859), (543, 39906), (739, 29322), (1086, 19953), (1478, 14661), (1629, 13302), (2217, 9774), (3258, 6651), (4434, 4887)]