21528858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{276011}}^1$

素因数の和:276029

約数の個数: 16

約数和(自身を含む): 46370016

約数和(自身を除く): 24841158

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 276011, 552022, 828033, 1656066, 3588143, 7176286, 10764429, 21528858]

約数ペア:

[(1, 21528858), (2, 10764429), (3, 7176286), (6, 3588143), (13, 1656066), (26, 828033), (39, 552022), (78, 276011)]