21221266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{1783}}^1$

素因数の和:2337

約数の個数: 16

約数和(自身を含む): 34809408

約数和(自身を除く): 13588142

約数列:

[1, 2, 11, 22, 541, 1082, 1783, 3566, 5951, 11902, 19613, 39226, 964603, 1929206, 10610633, 21221266]

約数ペア:

[(1, 21221266), (2, 10610633), (11, 1929206), (22, 964603), (541, 39226), (1082, 19613), (1783, 11902), (3566, 5951)]