21870126

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71471}}^1$

素因数の和:71496

約数の個数: 24

約数和(自身を含む): 50173344

約数和(自身を除く): 28303218

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 71471, 142942, 214413, 428826, 643239, 1215007, 1286478, 2430014, 3645021, 7290042, 10935063, 21870126]

約数ペア:

[(1, 21870126), (2, 10935063), (3, 7290042), (6, 3645021), (9, 2430014), (17, 1286478), (18, 1215007), (34, 643239), (51, 428826), (102, 214413), (153, 142942), (306, 71471)]