21148296

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67783}}^1$

素因数の和:67805

約数の個数: 32

約数和(自身を含む): 56938560

約数和(自身を除く): 35790264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 67783, 135566, 203349, 271132, 406698, 542264, 813396, 881179, 1626792, 1762358, 2643537, 3524716, 5287074, 7049432, 10574148, 21148296]

約数ペア:

[(1, 21148296), (2, 10574148), (3, 7049432), (4, 5287074), (6, 3524716), (8, 2643537), (12, 1762358), (13, 1626792), (24, 881179), (26, 813396), (39, 542264), (52, 406698), (78, 271132), (104, 203349), (156, 135566), (312, 67783)]