21815644760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{856187}}^1$

素因数の和:856225

約数の個数: 96

約数和(自身を含む): 61491422160

約数和(自身を除く): 39675777400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 12740, 25480, 856187, 1712374, 3424748, 4280935, 5993309, 6849496, 8561870, 11130431, 11986618, 17123740, 22260862, 23973236, 29966545, 34247480, 41953163, 44521724, 47946472, 55652155, 59933090, 77913017, 83906326, 89043448, 111304310, 119866180, 155826034, 167812652, 209765815, 222608620, 239732360, 311652068, 335625304, 389565085, 419531630, 445217240, 545391119, 623304136, 779130170, 839063260, 1090782238, 1558260340, 1678126520, 2181564476, 2726955595, 3116520680, 4363128952, 5453911190, 10907822380, 21815644760]

約数ペア:

[(1, 21815644760), (2, 10907822380), (4, 5453911190), (5, 4363128952), (7, 3116520680), (8, 2726955595), (10, 2181564476), (13, 1678126520), (14, 1558260340), (20, 1090782238), (26, 839063260), (28, 779130170), (35, 623304136), (40, 545391119), (49, 445217240), (52, 419531630), (56, 389565085), (65, 335625304), (70, 311652068), (91, 239732360), (98, 222608620), (104, 209765815), (130, 167812652), (140, 155826034), (182, 119866180), (196, 111304310), (245, 89043448), (260, 83906326), (280, 77913017), (364, 59933090), (392, 55652155), (455, 47946472), (490, 44521724), (520, 41953163), (637, 34247480), (728, 29966545), (910, 23973236), (980, 22260862), (1274, 17123740), (1820, 11986618), (1960, 11130431), (2548, 8561870), (3185, 6849496), (3640, 5993309), (5096, 4280935), (6370, 3424748), (12740, 1712374), (25480, 856187)]