21298218

素因数分解:

$2^1\times 3^1\times {\mathrm{719}}^1\times {\mathrm{4937}}^1$

素因数の和:5661

約数の個数: 16

約数和(自身を含む): 42664320

約数和(自身を除く): 21366102

約数列:

[1, 2, 3, 6, 719, 1438, 2157, 4314, 4937, 9874, 14811, 29622, 3549703, 7099406, 10649109, 21298218]

約数ペア:

[(1, 21298218), (2, 10649109), (3, 7099406), (6, 3549703), (719, 29622), (1438, 14811), (2157, 9874), (4314, 4937)]