21617372

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3659}}^1$

素因数の和:3881

約数の個数: 24

約数和(自身を含む): 43451520

約数和(自身を除く): 21834148

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2954, 3659, 5908, 7318, 14636, 25613, 51226, 102452, 772049, 1544098, 3088196, 5404343, 10808686, 21617372]

約数ペア:

[(1, 21617372), (2, 10808686), (4, 5404343), (7, 3088196), (14, 1544098), (28, 772049), (211, 102452), (422, 51226), (844, 25613), (1477, 14636), (2954, 7318), (3659, 5908)]