21847384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210071}}^1$

素因数の和:210090

約数の個数: 16

約数和(自身を含む): 44115120

約数和(自身を除く): 22267736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210071, 420142, 840284, 1680568, 2730923, 5461846, 10923692, 21847384]

約数ペア:

[(1, 21847384), (2, 10923692), (4, 5461846), (8, 2730923), (13, 1680568), (26, 840284), (52, 420142), (104, 210071)]