21155088

素因数分解:

$2^4\times 3^1\times {\mathrm{440731}}^1$

素因数の和:440742

約数の個数: 20

約数和(自身を含む): 54650768

約数和(自身を除く): 33495680

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440731, 881462, 1322193, 1762924, 2644386, 3525848, 5288772, 7051696, 10577544, 21155088]

約数ペア:

[(1, 21155088), (2, 10577544), (3, 7051696), (4, 5288772), (6, 3525848), (8, 2644386), (12, 1762924), (16, 1322193), (24, 881462), (48, 440731)]