21048378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269851}}^1$

素因数の和:269869

約数の個数: 16

約数和(自身を含む): 45335136

約数和(自身を除く): 24286758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269851, 539702, 809553, 1619106, 3508063, 7016126, 10524189, 21048378]

約数ペア:

[(1, 21048378), (2, 10524189), (3, 7016126), (6, 3508063), (13, 1619106), (26, 809553), (39, 539702), (78, 269851)]