21650194

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{577}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 33105528

約数和(自身を除く): 11455334

約数列:

[1, 2, 73, 146, 257, 514, 577, 1154, 18761, 37522, 42121, 84242, 148289, 296578, 10825097, 21650194]

約数ペア:

[(1, 21650194), (2, 10825097), (73, 296578), (146, 148289), (257, 84242), (514, 42121), (577, 37522), (1154, 18761)]