21830571

素因数分解:

$3^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{929}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 36173280

約数和(自身を除く): 14342709

約数列:

[1, 3, 7, 9, 21, 63, 373, 929, 1119, 2611, 2787, 3357, 6503, 7833, 8361, 19509, 23499, 58527, 346517, 1039551, 2425619, 3118653, 7276857, 21830571]

約数ペア:

[(1, 21830571), (3, 7276857), (7, 3118653), (9, 2425619), (21, 1039551), (63, 346517), (373, 58527), (929, 23499), (1119, 19509), (2611, 8361), (2787, 7833), (3357, 6503)]