21699994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{10037}}^1$

素因数の和:10109

約数の個数: 16

約数和(自身を含む): 34691328

約数和(自身を除く): 12991334

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 10037, 20074, 230851, 461702, 471739, 943478, 10849997, 21699994]

約数ペア:

[(1, 21699994), (2, 10849997), (23, 943478), (46, 471739), (47, 461702), (94, 230851), (1081, 20074), (2162, 10037)]