21875686

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53881}}^1$

素因数の和:53919

約数の個数: 16

約数和(自身を含む): 38795040

約数和(自身を除く): 16919354

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53881, 107762, 377167, 754334, 1562549, 3125098, 10937843, 21875686]

約数ペア:

[(1, 21875686), (2, 10937843), (7, 3125098), (14, 1562549), (29, 754334), (58, 377167), (203, 107762), (406, 53881)]