21489061

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 24663168

約数和(自身を除く): 3174107

約数列:

[1, 11, 23, 157, 253, 541, 1727, 3611, 5951, 12443, 39721, 84937, 136873, 934307, 1953551, 21489061]

約数ペア:

[(1, 21489061), (11, 1953551), (23, 934307), (157, 136873), (253, 84937), (541, 39721), (1727, 12443), (3611, 5951)]