21254658

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{208379}}^1$

素因数の和:208401

約数の個数: 16

約数和(自身を含む): 45010080

約数和(自身を除く): 23755422

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 208379, 416758, 625137, 1250274, 3542443, 7084886, 10627329, 21254658]

約数ペア:

[(1, 21254658), (2, 10627329), (3, 7084886), (6, 3542443), (17, 1250274), (34, 625137), (51, 416758), (102, 208379)]