21907354

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53959}}^1$

素因数の和:53997

約数の個数: 16

約数和(自身を含む): 38851200

約数和(自身を除く): 16943846

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 53959, 107918, 377713, 755426, 1564811, 3129622, 10953677, 21907354]

約数ペア:

[(1, 21907354), (2, 10953677), (7, 3129622), (14, 1564811), (29, 755426), (58, 377713), (203, 107918), (406, 53959)]