21101811

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4649}}^1$

素因数の和:4758

約数の個数: 16

約数和(自身を含む): 30132000

約数和(自身を除く): 9030189

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 4649, 13947, 79033, 237099, 413761, 1241283, 7033937, 21101811]

約数ペア:

[(1, 21101811), (3, 7033937), (17, 1241283), (51, 413761), (89, 237099), (267, 79033), (1513, 13947), (4539, 4649)]