21902152

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20899}}^1$

素因数の和:21036

約数の個数: 16

約数和(自身を含む): 41382000

約数和(自身を除く): 19479848

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20899, 41798, 83596, 167192, 2737769, 5475538, 10951076, 21902152]

約数ペア:

[(1, 21902152), (2, 10951076), (4, 5475538), (8, 2737769), (131, 167192), (262, 83596), (524, 41798), (1048, 20899)]