21828978

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{52727}}^1$

素因数の和:52758

約数の個数: 24

約数和(自身を含む): 49353408

約数和(自身を除く): 27524430

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 52727, 105454, 158181, 316362, 474543, 949086, 1212721, 2425442, 3638163, 7276326, 10914489, 21828978]

約数ペア:

[(1, 21828978), (2, 10914489), (3, 7276326), (6, 3638163), (9, 2425442), (18, 1212721), (23, 949086), (46, 474543), (69, 316362), (138, 158181), (207, 105454), (414, 52727)]