21729402

素因数分解:

$2^1\times 3^2\times {\mathrm{239}}^1\times {\mathrm{5051}}^1$

素因数の和:5298

約数の個数: 24

約数和(自身を含む): 47286720

約数和(自身を除く): 25557318

約数列:

[1, 2, 3, 6, 9, 18, 239, 478, 717, 1434, 2151, 4302, 5051, 10102, 15153, 30306, 45459, 90918, 1207189, 2414378, 3621567, 7243134, 10864701, 21729402]

約数ペア:

[(1, 21729402), (2, 10864701), (3, 7243134), (6, 3621567), (9, 2414378), (18, 1207189), (239, 90918), (478, 45459), (717, 30306), (1434, 15153), (2151, 10102), (4302, 5051)]