21672686

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53381}}^1$

素因数の和:53419

約数の個数: 16

約数和(自身を含む): 38435040

約数和(自身を除く): 16762354

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53381, 106762, 373667, 747334, 1548049, 3096098, 10836343, 21672686]

約数ペア:

[(1, 21672686), (2, 10836343), (7, 3096098), (14, 1548049), (29, 747334), (58, 373667), (203, 106762), (406, 53381)]