21000368655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{92723}}^1$

素因数の和:93460

約数の個数: 48

約数和(自身を含む): 41659038720

約数和(自身を除く): 20658670065

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 719, 2157, 3595, 5033, 6471, 10785, 15099, 25165, 32355, 45297, 75495, 92723, 226485, 278169, 463615, 649061, 834507, 1390845, 1947183, 3245305, 4172535, 5841549, 9735915, 29207745, 66667837, 200003511, 333339185, 466674859, 600010533, 1000017555, 1400024577, 2333374295, 3000052665, 4200073731, 7000122885, 21000368655]

約数ペア:

[(1, 21000368655), (3, 7000122885), (5, 4200073731), (7, 3000052665), (9, 2333374295), (15, 1400024577), (21, 1000017555), (35, 600010533), (45, 466674859), (63, 333339185), (105, 200003511), (315, 66667837), (719, 29207745), (2157, 9735915), (3595, 5841549), (5033, 4172535), (6471, 3245305), (10785, 1947183), (15099, 1390845), (25165, 834507), (32355, 649061), (45297, 463615), (75495, 278169), (92723, 226485)]