21461556

素因数分解:

$2^2\times 3^1\times {\mathrm{257}}^1\times {\mathrm{6959}}^1$

素因数の和:7223

約数の個数: 24

約数和(自身を含む): 50279040

約数和(自身を除く): 28817484

約数列:

[1, 2, 3, 4, 6, 12, 257, 514, 771, 1028, 1542, 3084, 6959, 13918, 20877, 27836, 41754, 83508, 1788463, 3576926, 5365389, 7153852, 10730778, 21461556]

約数ペア:

[(1, 21461556), (2, 10730778), (3, 7153852), (4, 5365389), (6, 3576926), (12, 1788463), (257, 83508), (514, 41754), (771, 27836), (1028, 20877), (1542, 13918), (3084, 6959)]