21983266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{2251}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 34860960

約数和(自身を除く): 12877694

約数列:

[1, 2, 19, 38, 257, 514, 2251, 4502, 4883, 9766, 42769, 85538, 578507, 1157014, 10991633, 21983266]

約数ペア:

[(1, 21983266), (2, 10991633), (19, 1157014), (38, 578507), (257, 85538), (514, 42769), (2251, 9766), (4502, 4883)]