21225468

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1423}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 54544896

約数和(自身を除く): 33319428

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 113, 132, 226, 339, 452, 678, 1243, 1356, 1423, 2486, 2846, 3729, 4269, 4972, 5692, 7458, 8538, 14916, 15653, 17076, 31306, 46959, 62612, 93918, 160799, 187836, 321598, 482397, 643196, 964794, 1768789, 1929588, 3537578, 5306367, 7075156, 10612734, 21225468]

約数ペア:

[(1, 21225468), (2, 10612734), (3, 7075156), (4, 5306367), (6, 3537578), (11, 1929588), (12, 1768789), (22, 964794), (33, 643196), (44, 482397), (66, 321598), (113, 187836), (132, 160799), (226, 93918), (339, 62612), (452, 46959), (678, 31306), (1243, 17076), (1356, 15653), (1423, 14916), (2486, 8538), (2846, 7458), (3729, 5692), (4269, 4972)]