21313956

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 52214400

約数和(自身を除く): 30900444

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 73, 87, 116, 146, 174, 219, 292, 348, 438, 839, 876, 1678, 2117, 2517, 3356, 4234, 5034, 6351, 8468, 10068, 12702, 24331, 25404, 48662, 61247, 72993, 97324, 122494, 145986, 183741, 244988, 291972, 367482, 734964, 1776163, 3552326, 5328489, 7104652, 10656978, 21313956]

約数ペア:

[(1, 21313956), (2, 10656978), (3, 7104652), (4, 5328489), (6, 3552326), (12, 1776163), (29, 734964), (58, 367482), (73, 291972), (87, 244988), (116, 183741), (146, 145986), (174, 122494), (219, 97324), (292, 72993), (348, 61247), (438, 48662), (839, 25404), (876, 24331), (1678, 12702), (2117, 10068), (2517, 8468), (3356, 6351), (4234, 5034)]