21837608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{209977}}^1$

素因数の和:209996

約数の個数: 16

約数和(自身を含む): 44095380

約数和(自身を除く): 22257772

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 209977, 419954, 839908, 1679816, 2729701, 5459402, 10918804, 21837608]

約数ペア:

[(1, 21837608), (2, 10918804), (4, 5459402), (8, 2729701), (13, 1679816), (26, 839908), (52, 419954), (104, 209977)]