21812499

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 33418112

約数和(自身を除く): 11605613

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 2113, 3441, 6339, 10323, 19017, 65503, 78181, 196509, 234543, 589527, 703629, 2423611, 7270833, 21812499]

約数ペア:

[(1, 21812499), (3, 7270833), (9, 2423611), (31, 703629), (37, 589527), (93, 234543), (111, 196509), (279, 78181), (333, 65503), (1147, 19017), (2113, 10323), (3441, 6339)]