21316475092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1\times {\mathrm{20477}}^1$

素因数の和:20952

約数の個数: 48

約数和(自身を含む): 41490066240

約数和(自身を除く): 20173591148

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 401, 649, 802, 1298, 1604, 2596, 4411, 8822, 17644, 20477, 23659, 40954, 47318, 81908, 94636, 225247, 260249, 450494, 520498, 900988, 1040996, 1208143, 2416286, 4832572, 8211277, 13289573, 16422554, 26579146, 32845108, 53158292, 90324047, 180648094, 361296188, 484465343, 968930686, 1937861372, 5329118773, 10658237546, 21316475092]

約数ペア:

[(1, 21316475092), (2, 10658237546), (4, 5329118773), (11, 1937861372), (22, 968930686), (44, 484465343), (59, 361296188), (118, 180648094), (236, 90324047), (401, 53158292), (649, 32845108), (802, 26579146), (1298, 16422554), (1604, 13289573), (2596, 8211277), (4411, 4832572), (8822, 2416286), (17644, 1208143), (20477, 1040996), (23659, 900988), (40954, 520498), (47318, 450494), (81908, 260249), (94636, 225247)]