21054836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3169}}^1$

素因数の和:3335

約数の個数: 24

約数和(自身を含む): 40474560

約数和(自身を除く): 19419724

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3169, 3322, 6338, 6644, 12676, 34859, 69718, 139436, 478519, 957038, 1914076, 5263709, 10527418, 21054836]

約数ペア:

[(1, 21054836), (2, 10527418), (4, 5263709), (11, 1914076), (22, 957038), (44, 478519), (151, 139436), (302, 69718), (604, 34859), (1661, 12676), (3169, 6644), (3322, 6338)]