21072078

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{68863}}^1$

素因数の和:68888

約数の個数: 24

約数和(自身を含む): 48342528

約数和(自身を除く): 27270450

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 68863, 137726, 206589, 413178, 619767, 1170671, 1239534, 2341342, 3512013, 7024026, 10536039, 21072078]

約数ペア:

[(1, 21072078), (2, 10536039), (3, 7024026), (6, 3512013), (9, 2341342), (17, 1239534), (18, 1170671), (34, 619767), (51, 413178), (102, 206589), (153, 137726), (306, 68863)]