21773005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8263}}^1$

素因数の和:8316

約数の個数: 16

約数和(自身を含む): 28560384

約数和(自身を除く): 6787379

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 8263, 41315, 140471, 256153, 702355, 1280765, 4354601, 21773005]

約数ペア:

[(1, 21773005), (5, 4354601), (17, 1280765), (31, 702355), (85, 256153), (155, 140471), (527, 41315), (2635, 8263)]