21579676

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 38564064

約数和(自身を除く): 16984388

約数列:

[1, 2, 4, 73, 146, 263, 281, 292, 526, 562, 1052, 1124, 19199, 20513, 38398, 41026, 73903, 76796, 82052, 147806, 295612, 5394919, 10789838, 21579676]

約数ペア:

[(1, 21579676), (2, 10789838), (4, 5394919), (73, 295612), (146, 147806), (263, 82052), (281, 76796), (292, 73903), (526, 41026), (562, 38398), (1052, 20513), (1124, 19199)]