21831224

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{19919}}^1$

素因数の和:20062

約数の個数: 16

約数和(自身を含む): 41234400

約数和(自身を除く): 19403176

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 19919, 39838, 79676, 159352, 2728903, 5457806, 10915612, 21831224]

約数ペア:

[(1, 21831224), (2, 10915612), (4, 5457806), (8, 2728903), (137, 159352), (274, 79676), (548, 39838), (1096, 19919)]