21078402

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{206651}}^1$

素因数の和:206673

約数の個数: 16

約数和(自身を含む): 44636832

約数和(自身を除く): 23558430

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 206651, 413302, 619953, 1239906, 3513067, 7026134, 10539201, 21078402]

約数ペア:

[(1, 21078402), (2, 10539201), (3, 7026134), (6, 3513067), (17, 1239906), (34, 619953), (51, 413302), (102, 206651)]