21098429

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 24312960

約数和(自身を除く): 3214531

約数列:

[1, 11, 23, 89, 253, 937, 979, 2047, 10307, 21551, 22517, 83393, 237061, 917323, 1918039, 21098429]

約数ペア:

[(1, 21098429), (11, 1918039), (23, 917323), (89, 237061), (253, 83393), (937, 22517), (979, 21551), (2047, 10307)]