21954194

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{443}}^1$

素因数の和:865

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 11612206

約数列:

[1, 2, 71, 142, 349, 443, 698, 886, 24779, 31453, 49558, 62906, 154607, 309214, 10977097, 21954194]

約数ペア:

[(1, 21954194), (2, 10977097), (71, 309214), (142, 154607), (349, 62906), (443, 49558), (698, 31453), (886, 24779)]