21942194

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1097}}^1$

素因数の和:1309

約数の個数: 16

約数和(自身を含む): 33638328

約数和(自身を除く): 11696134

約数列:

[1, 2, 73, 137, 146, 274, 1097, 2194, 10001, 20002, 80081, 150289, 160162, 300578, 10971097, 21942194]

約数ペア:

[(1, 21942194), (2, 10971097), (73, 300578), (137, 160162), (146, 150289), (274, 80081), (1097, 20002), (2194, 10001)]