21940802210

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11487331}}^1$

素因数の和:11487529

約数の個数: 16

約数和(自身を含む): 39700219392

約数和(自身を除く): 17759417182

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 11487331, 22974662, 57436655, 114873310, 2194080221, 4388160442, 10970401105, 21940802210]

約数ペア:

[(1, 21940802210), (2, 10970401105), (5, 4388160442), (10, 2194080221), (191, 114873310), (382, 57436655), (955, 22974662), (1910, 11487331)]