21969224

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20963}}^1$

素因数の和:21100

約数の個数: 16

約数和(自身を含む): 41508720

約数和(自身を除く): 19539496

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20963, 41926, 83852, 167704, 2746153, 5492306, 10984612, 21969224]

約数ペア:

[(1, 21969224), (2, 10984612), (4, 5492306), (8, 2746153), (131, 167704), (262, 83852), (524, 41926), (1048, 20963)]