21568506520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{35089}}^1$

素因数の和:35249

約数の個数: 96

約数和(自身を含む): 53763494400

約数和(自身を除く): 32194987880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 127, 220, 242, 254, 440, 484, 508, 605, 635, 968, 1016, 1210, 1270, 1397, 2420, 2540, 2794, 4840, 5080, 5588, 6985, 11176, 13970, 15367, 27940, 30734, 35089, 55880, 61468, 70178, 76835, 122936, 140356, 153670, 175445, 280712, 307340, 350890, 385979, 614680, 701780, 771958, 1403560, 1543916, 1929895, 3087832, 3859790, 4245769, 4456303, 7719580, 8491538, 8912606, 15439160, 16983076, 17825212, 21228845, 22281515, 33966152, 35650424, 42457690, 44563030, 49019333, 84915380, 89126060, 98038666, 169830760, 178252120, 196077332, 245096665, 392154664, 490193330, 539212663, 980386660, 1078425326, 1960773320, 2156850652, 2696063315, 4313701304, 5392126630, 10784253260, 21568506520]

約数ペア:

[(1, 21568506520), (2, 10784253260), (4, 5392126630), (5, 4313701304), (8, 2696063315), (10, 2156850652), (11, 1960773320), (20, 1078425326), (22, 980386660), (40, 539212663), (44, 490193330), (55, 392154664), (88, 245096665), (110, 196077332), (121, 178252120), (127, 169830760), (220, 98038666), (242, 89126060), (254, 84915380), (440, 49019333), (484, 44563030), (508, 42457690), (605, 35650424), (635, 33966152), (968, 22281515), (1016, 21228845), (1210, 17825212), (1270, 16983076), (1397, 15439160), (2420, 8912606), (2540, 8491538), (2794, 7719580), (4840, 4456303), (5080, 4245769), (5588, 3859790), (6985, 3087832), (11176, 1929895), (13970, 1543916), (15367, 1403560), (27940, 771958), (30734, 701780), (35089, 614680), (55880, 385979), (61468, 350890), (70178, 307340), (76835, 280712), (122936, 175445), (140356, 153670)]