2021178148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{18367}}^1$

素因数の和:18484

約数の個数: 48

約数和(自身を含む): 4017742848

約数和(自身を除く): 1996564700

約数列:

[1, 2, 4, 11, 22, 41, 44, 61, 82, 122, 164, 244, 451, 671, 902, 1342, 1804, 2501, 2684, 5002, 10004, 18367, 27511, 36734, 55022, 73468, 110044, 202037, 404074, 753047, 808148, 1120387, 1506094, 2240774, 3012188, 4481548, 8283517, 12324257, 16567034, 24648514, 33134068, 45935867, 49297028, 91871734, 183743468, 505294537, 1010589074, 2021178148]

約数ペア:

[(1, 2021178148), (2, 1010589074), (4, 505294537), (11, 183743468), (22, 91871734), (41, 49297028), (44, 45935867), (61, 33134068), (82, 24648514), (122, 16567034), (164, 12324257), (244, 8283517), (451, 4481548), (671, 3012188), (902, 2240774), (1342, 1506094), (1804, 1120387), (2501, 808148), (2684, 753047), (5002, 404074), (10004, 202037), (18367, 110044), (27511, 73468), (36734, 55022)]