21408104

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{86323}}^1$

素因数の和:86360

約数の個数: 16

約数和(自身を含む): 41435520

約数和(自身を除く): 20027416

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 86323, 172646, 345292, 690584, 2676013, 5352026, 10704052, 21408104]

約数ペア:

[(1, 21408104), (2, 10704052), (4, 5352026), (8, 2676013), (31, 690584), (62, 345292), (124, 172646), (248, 86323)]