21760908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139493}}^1$

素因数の和:139513

約数の個数: 24

約数和(自身を含む): 54681648

約数和(自身を除く): 32920740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139493, 278986, 418479, 557972, 836958, 1673916, 1813409, 3626818, 5440227, 7253636, 10880454, 21760908]

約数ペア:

[(1, 21760908), (2, 10880454), (3, 7253636), (4, 5440227), (6, 3626818), (12, 1813409), (13, 1673916), (26, 836958), (39, 557972), (52, 418479), (78, 278986), (156, 139493)]