21375004

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{33191}}^1$

素因数の和:33225

約数の個数: 24

約数和(自身を含む): 44610048

約数和(自身を除く): 23235044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 33191, 66382, 132764, 232337, 464674, 763393, 929348, 1526786, 3053572, 5343751, 10687502, 21375004]

約数ペア:

[(1, 21375004), (2, 10687502), (4, 5343751), (7, 3053572), (14, 1526786), (23, 929348), (28, 763393), (46, 464674), (92, 232337), (161, 132764), (322, 66382), (644, 33191)]