21053992905

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{24917}}^1$

素因数の和:25511

約数の個数: 64

約数和(自身を含む): 40905388800

約数和(自身を除く): 19851395895

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 569, 1485, 1707, 2845, 5121, 6259, 8535, 15363, 18777, 24917, 25605, 31295, 56331, 74751, 76815, 93885, 124585, 168993, 224253, 274087, 281655, 373755, 672759, 822261, 844965, 1121265, 1370435, 2466783, 3363795, 4111305, 7400349, 12333915, 14177773, 37001745, 42533319, 70888865, 127599957, 155955503, 212666595, 382799871, 467866509, 637999785, 779777515, 1403599527, 1913999355, 2339332545, 4210798581, 7017997635, 21053992905]

約数ペア:

[(1, 21053992905), (3, 7017997635), (5, 4210798581), (9, 2339332545), (11, 1913999355), (15, 1403599527), (27, 779777515), (33, 637999785), (45, 467866509), (55, 382799871), (99, 212666595), (135, 155955503), (165, 127599957), (297, 70888865), (495, 42533319), (569, 37001745), (1485, 14177773), (1707, 12333915), (2845, 7400349), (5121, 4111305), (6259, 3363795), (8535, 2466783), (15363, 1370435), (18777, 1121265), (24917, 844965), (25605, 822261), (31295, 672759), (56331, 373755), (74751, 281655), (76815, 274087), (93885, 224253), (124585, 168993)]