21699188

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9337}}^1$

素因数の和:9431

約数の個数: 24

約数和(自身を含む): 43925952

約数和(自身を除く): 22226764

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9337, 18674, 37348, 65359, 130718, 261436, 774971, 1549942, 3099884, 5424797, 10849594, 21699188]

約数ペア:

[(1, 21699188), (2, 10849594), (4, 5424797), (7, 3099884), (14, 1549942), (28, 774971), (83, 261436), (166, 130718), (332, 65359), (581, 37348), (1162, 18674), (2324, 9337)]