21542898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{276191}}^1$

素因数の和:276209

約数の個数: 16

約数和(自身を含む): 46400256

約数和(自身を除く): 24857358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 276191, 552382, 828573, 1657146, 3590483, 7180966, 10771449, 21542898]

約数ペア:

[(1, 21542898), (2, 10771449), (3, 7180966), (6, 3590483), (13, 1657146), (26, 828573), (39, 552382), (78, 276191)]