21349814

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{1097}}^1$

素因数の和:1399

約数の個数: 16

約数和(自身を含む): 33045408

約数和(自身を除く): 11695594

約数列:

[1, 2, 37, 74, 263, 526, 1097, 2194, 9731, 19462, 40589, 81178, 288511, 577022, 10674907, 21349814]

約数ペア:

[(1, 21349814), (2, 10674907), (37, 577022), (74, 288511), (263, 81178), (526, 40589), (1097, 19462), (2194, 9731)]