21956836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{13487}}^1$

素因数の和:13539

約数の個数: 24

約数和(自身を含む): 43053696

約数和(自身を除く): 21096860

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 13487, 26974, 53948, 148357, 296714, 499019, 593428, 998038, 1996076, 5489209, 10978418, 21956836]

約数ペア:

[(1, 21956836), (2, 10978418), (4, 5489209), (11, 1996076), (22, 998038), (37, 593428), (44, 499019), (74, 296714), (148, 148357), (407, 53948), (814, 26974), (1628, 13487)]