21000606785

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{6691}}^1\times {\mathrm{8599}}^1$

素因数の和:15368

約数の個数: 16

約数和(自身を含む): 25552732800

約数和(自身を除く): 4552126015

約数列:

[1, 5, 73, 365, 6691, 8599, 33455, 42995, 488443, 627727, 2442215, 3138635, 57535909, 287679545, 4200121357, 21000606785]

約数ペア:

[(1, 21000606785), (5, 4200121357), (73, 287679545), (365, 57535909), (6691, 3138635), (8599, 2442215), (33455, 627727), (42995, 488443)]