21770360

素因数分解:

$2^3\times 5^1\times {\mathrm{544259}}^1$

素因数の和:544270

約数の個数: 16

約数和(自身を含む): 48983400

約数和(自身を除く): 27213040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 544259, 1088518, 2177036, 2721295, 4354072, 5442590, 10885180, 21770360]

約数ペア:

[(1, 21770360), (2, 10885180), (4, 5442590), (5, 4354072), (8, 2721295), (10, 2177036), (20, 1088518), (40, 544259)]