21275474003

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{17707}}^1$

素因数の和:17872

約数の個数: 32

約数和(自身を含む): 25839513600

約数和(自身を除く): 4564039597

約数列:

[1, 7, 31, 49, 113, 217, 343, 791, 1519, 3503, 5537, 10633, 17707, 24521, 38759, 123949, 171647, 548917, 867643, 1201529, 2000891, 3842419, 6073501, 14006237, 26896933, 62027621, 98043659, 188278531, 434193347, 686305613, 3039353429, 21275474003]

約数ペア:

[(1, 21275474003), (7, 3039353429), (31, 686305613), (49, 434193347), (113, 188278531), (217, 98043659), (343, 62027621), (791, 26896933), (1519, 14006237), (3503, 6073501), (5537, 3842419), (10633, 2000891), (17707, 1201529), (24521, 867643), (38759, 548917), (123949, 171647)]