21091343

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5653}}^1$

素因数の和:5714

約数の個数: 16

約数和(自身を含む): 26596416

約数和(自身を除く): 5505073

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5653, 39571, 73489, 231773, 514423, 1622411, 3013049, 21091343]

約数ペア:

[(1, 21091343), (7, 3013049), (13, 1622411), (41, 514423), (91, 231773), (287, 73489), (533, 39571), (3731, 5653)]