20211597315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{11243}}^1$

素因数の和:11713

約数の個数: 96

約数和(自身を含む): 43220136960

約数和(自身を除く): 23008539645

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 439, 455, 585, 819, 1317, 1365, 2195, 3073, 3951, 4095, 5707, 6585, 9219, 11243, 15365, 17121, 19755, 27657, 28535, 33729, 39949, 46095, 51363, 56215, 78701, 85605, 101187, 119847, 138285, 146159, 168645, 199745, 236103, 256815, 359541, 393505, 438477, 505935, 599235, 708309, 730795, 1023113, 1180515, 1315431, 1797705, 2192385, 3069339, 3541545, 4935677, 5115565, 6577155, 9208017, 14807031, 15346695, 24678385, 34549739, 44421093, 46040085, 64163801, 74035155, 103649217, 172748695, 192491403, 222105465, 310947651, 320819005, 449146607, 518246085, 577474209, 962457015, 1347439821, 1554738255, 2245733035, 2887371045, 4042319463, 6737199105, 20211597315]

約数ペア:

[(1, 20211597315), (3, 6737199105), (5, 4042319463), (7, 2887371045), (9, 2245733035), (13, 1554738255), (15, 1347439821), (21, 962457015), (35, 577474209), (39, 518246085), (45, 449146607), (63, 320819005), (65, 310947651), (91, 222105465), (105, 192491403), (117, 172748695), (195, 103649217), (273, 74035155), (315, 64163801), (439, 46040085), (455, 44421093), (585, 34549739), (819, 24678385), (1317, 15346695), (1365, 14807031), (2195, 9208017), (3073, 6577155), (3951, 5115565), (4095, 4935677), (5707, 3541545), (6585, 3069339), (9219, 2192385), (11243, 1797705), (15365, 1315431), (17121, 1180515), (19755, 1023113), (27657, 730795), (28535, 708309), (33729, 599235), (39949, 505935), (46095, 438477), (51363, 393505), (56215, 359541), (78701, 256815), (85605, 236103), (101187, 199745), (119847, 168645), (138285, 146159)]