21032557

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 27195264

約数和(自身を除く): 6162707

約数列:

[1, 7, 13, 23, 91, 161, 169, 299, 773, 1183, 2093, 3887, 5411, 10049, 17779, 27209, 70343, 124453, 130637, 231127, 914459, 1617889, 3004651, 21032557]

約数ペア:

[(1, 21032557), (7, 3004651), (13, 1617889), (23, 914459), (91, 231127), (161, 130637), (169, 124453), (299, 70343), (773, 27209), (1183, 17779), (2093, 10049), (3887, 5411)]