21759724

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1742

約数の個数: 36

約数和(自身を含む): 44984856

約数和(自身を除く): 23225132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1657, 1876, 3283, 3314, 6566, 6628, 11599, 13132, 23198, 46396, 81193, 111019, 162386, 222038, 324772, 444076, 777133, 1554266, 3108532, 5439931, 10879862, 21759724]

約数ペア:

[(1, 21759724), (2, 10879862), (4, 5439931), (7, 3108532), (14, 1554266), (28, 777133), (49, 444076), (67, 324772), (98, 222038), (134, 162386), (196, 111019), (268, 81193), (469, 46396), (938, 23198), (1657, 13132), (1876, 11599), (3283, 6628), (3314, 6566)]