13619571

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20921}}^1$

素因数の和:20962

約数の個数: 16

約数和(自身を含む): 21424128

約数和(自身を除く): 7804557

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 20921, 62763, 146447, 439341, 648551, 1945653, 4539857, 13619571]

約数ペア:

[(1, 13619571), (3, 4539857), (7, 1945653), (21, 648551), (31, 439341), (93, 146447), (217, 62763), (651, 20921)]