21064015

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{5843}}^1$

素因数の和:5958

約数の個数: 16

約数和(自身を含む): 29173248

約数和(自身を除く): 8109233

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 5843, 29215, 40901, 204505, 601829, 3009145, 4212803, 21064015]

約数ペア:

[(1, 21064015), (5, 4212803), (7, 3009145), (35, 601829), (103, 204505), (515, 40901), (721, 29215), (3605, 5843)]