21772772

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7699}}^1$

素因数の和:7811

約数の個数: 24

約数和(自身を含む): 43982400

約数和(自身を除く): 22209628

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7699, 15398, 30796, 53893, 107786, 215572, 777599, 1555198, 3110396, 5443193, 10886386, 21772772]

約数ペア:

[(1, 21772772), (2, 10886386), (4, 5443193), (7, 3110396), (14, 1555198), (28, 777599), (101, 215572), (202, 107786), (404, 53893), (707, 30796), (1414, 15398), (2828, 7699)]