21570374

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53129}}^1$

素因数の和:53167

約数の個数: 16

約数和(自身を含む): 38253600

約数和(自身を除く): 16683226

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53129, 106258, 371903, 743806, 1540741, 3081482, 10785187, 21570374]

約数ペア:

[(1, 21570374), (2, 10785187), (7, 3081482), (14, 1540741), (29, 743806), (58, 371903), (203, 106258), (406, 53129)]