21551296

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25903}}^1$

素因数の和:25928

約数の個数: 28

約数和(自身を含む): 46057312

約数和(自身を除く): 24506016

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25903, 51806, 103612, 207224, 336739, 414448, 673478, 828896, 1346956, 1657792, 2693912, 5387824, 10775648, 21551296]

約数ペア:

[(1, 21551296), (2, 10775648), (4, 5387824), (8, 2693912), (13, 1657792), (16, 1346956), (26, 828896), (32, 673478), (52, 414448), (64, 336739), (104, 207224), (208, 103612), (416, 51806), (832, 25903)]