21095558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2671}}^1$

素因数の和:3043

約数の個数: 16

約数和(自身を含む): 34629120

約数和(自身を除く): 13533562

約数列:

[1, 2, 11, 22, 359, 718, 2671, 3949, 5342, 7898, 29381, 58762, 958889, 1917778, 10547779, 21095558]

約数ペア:

[(1, 21095558), (2, 10547779), (11, 1917778), (22, 958889), (359, 58762), (718, 29381), (2671, 7898), (3949, 5342)]