21031875975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1097}}^1\times {\mathrm{1367}}^1$

素因数の和:2505

約数の個数: 96

約数和(自身を含む): 40231282176

約数和(自身を除く): 19199406201

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 1097, 1275, 1367, 2805, 3291, 4101, 4675, 5485, 6835, 12067, 14025, 15037, 16455, 18649, 20505, 23239, 27425, 34175, 36201, 45111, 55947, 60335, 69717, 75185, 82275, 93245, 102525, 116195, 181005, 205139, 225555, 255629, 279735, 301675, 348585, 375925, 466225, 580975, 615417, 766887, 905025, 1025695, 1127775, 1278145, 1398675, 1499599, 1742925, 3077085, 3834435, 4498797, 5128475, 6390725, 7497995, 15385425, 16495589, 19172175, 22493985, 25493183, 37489975, 49486767, 76479549, 82477945, 112469925, 127465915, 247433835, 280425013, 382397745, 412389725, 637329575, 841275039, 1237169175, 1402125065, 1911988725, 4206375195, 7010625325, 21031875975]

約数ペア:

[(1, 21031875975), (3, 7010625325), (5, 4206375195), (11, 1911988725), (15, 1402125065), (17, 1237169175), (25, 841275039), (33, 637329575), (51, 412389725), (55, 382397745), (75, 280425013), (85, 247433835), (165, 127465915), (187, 112469925), (255, 82477945), (275, 76479549), (425, 49486767), (561, 37489975), (825, 25493183), (935, 22493985), (1097, 19172175), (1275, 16495589), (1367, 15385425), (2805, 7497995), (3291, 6390725), (4101, 5128475), (4675, 4498797), (5485, 3834435), (6835, 3077085), (12067, 1742925), (14025, 1499599), (15037, 1398675), (16455, 1278145), (18649, 1127775), (20505, 1025695), (23239, 905025), (27425, 766887), (34175, 615417), (36201, 580975), (45111, 466225), (55947, 375925), (60335, 348585), (69717, 301675), (75185, 279735), (82275, 255629), (93245, 225555), (102525, 205139), (116195, 181005)]