21743493

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 31829760

約数和(自身を除く): 10086267

約数列:

[1, 3, 17, 31, 51, 93, 289, 527, 809, 867, 1581, 2427, 8959, 13753, 25079, 26877, 41259, 75237, 233801, 426343, 701403, 1279029, 7247831, 21743493]

約数ペア:

[(1, 21743493), (3, 7247831), (17, 1279029), (31, 701403), (51, 426343), (93, 233801), (289, 75237), (527, 41259), (809, 26877), (867, 25079), (1581, 13753), (2427, 8959)]