21755852

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8647}}^1$

素因数の和:8705

約数の個数: 24

約数和(自身を含む): 41406624

約数和(自身を除く): 19650772

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8647, 17294, 34588, 146999, 293998, 319939, 587996, 639878, 1279756, 5438963, 10877926, 21755852]

約数ペア:

[(1, 21755852), (2, 10877926), (4, 5438963), (17, 1279756), (34, 639878), (37, 587996), (68, 319939), (74, 293998), (148, 146999), (629, 34588), (1258, 17294), (2516, 8647)]