21883437

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 33653880

約数和(自身を除く): 11770443

約数列:

[1, 3, 9, 17, 51, 153, 281, 509, 843, 1527, 2529, 4581, 4777, 8653, 14331, 25959, 42993, 77877, 143029, 429087, 1287261, 2431493, 7294479, 21883437]

約数ペア:

[(1, 21883437), (3, 7294479), (9, 2431493), (17, 1287261), (51, 429087), (153, 143029), (281, 77877), (509, 42993), (843, 25959), (1527, 14331), (2529, 8653), (4581, 4777)]