21169316

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9109}}^1$

素因数の和:9203

約数の個数: 24

約数和(自身を含む): 42853440

約数和(自身を除く): 21684124

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9109, 18218, 36436, 63763, 127526, 255052, 756047, 1512094, 3024188, 5292329, 10584658, 21169316]

約数ペア:

[(1, 21169316), (2, 10584658), (4, 5292329), (7, 3024188), (14, 1512094), (28, 756047), (83, 255052), (166, 127526), (332, 63763), (581, 36436), (1162, 18218), (2324, 9109)]