21000691744

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{5009707}}^1$

素因数の和:5009848

約数の個数: 24

約数和(自身を含む): 41660731728

約数和(自身を除く): 20660039984

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 2096, 4192, 5009707, 10019414, 20038828, 40077656, 80155312, 160310624, 656271617, 1312543234, 2625086468, 5250172936, 10500345872, 21000691744]

約数ペア:

[(1, 21000691744), (2, 10500345872), (4, 5250172936), (8, 2625086468), (16, 1312543234), (32, 656271617), (131, 160310624), (262, 80155312), (524, 40077656), (1048, 20038828), (2096, 10019414), (4192, 5009707)]