1821331028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{21481}}^1$

素因数の和:21584

約数の個数: 48

約数和(自身を含む): 3637847808

約数和(自身を除く): 1816516780

約数列:

[1, 2, 4, 11, 22, 41, 44, 47, 82, 94, 164, 188, 451, 517, 902, 1034, 1804, 1927, 2068, 3854, 7708, 21197, 21481, 42394, 42962, 84788, 85924, 236291, 472582, 880721, 945164, 1009607, 1761442, 2019214, 3522884, 4038428, 9687931, 11105677, 19375862, 22211354, 38751724, 41393887, 44422708, 82787774, 165575548, 455332757, 910665514, 1821331028]

約数ペア:

[(1, 1821331028), (2, 910665514), (4, 455332757), (11, 165575548), (22, 82787774), (41, 44422708), (44, 41393887), (47, 38751724), (82, 22211354), (94, 19375862), (164, 11105677), (188, 9687931), (451, 4038428), (517, 3522884), (902, 2019214), (1034, 1761442), (1804, 1009607), (1927, 945164), (2068, 880721), (3854, 472582), (7708, 236291), (21197, 85924), (21481, 84788), (42394, 42962)]