21068644

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 42940800

約数和(自身を除く): 21872156

約数列:

[1, 2, 4, 17, 19, 23, 34, 38, 46, 68, 76, 92, 323, 391, 437, 646, 709, 782, 874, 1292, 1418, 1564, 1748, 2836, 7429, 12053, 13471, 14858, 16307, 24106, 26942, 29716, 32614, 48212, 53884, 65228, 229007, 277219, 309833, 458014, 554438, 619666, 916028, 1108876, 1239332, 5267161, 10534322, 21068644]

約数ペア:

[(1, 21068644), (2, 10534322), (4, 5267161), (17, 1239332), (19, 1108876), (23, 916028), (34, 619666), (38, 554438), (46, 458014), (68, 309833), (76, 277219), (92, 229007), (323, 65228), (391, 53884), (437, 48212), (646, 32614), (709, 29716), (782, 26942), (874, 24106), (1292, 16307), (1418, 14858), (1564, 13471), (1748, 12053), (2836, 7429)]