21167368960

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{4657}}^1$

素因数の和:4798

約数の個数: 144

約数和(自身を含む): 52441403616

約数和(自身を除く): 31274034656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 67, 80, 106, 128, 134, 160, 212, 256, 265, 268, 320, 335, 424, 530, 536, 640, 670, 848, 1060, 1072, 1280, 1340, 1696, 2120, 2144, 2680, 3392, 3551, 4240, 4288, 4657, 5360, 6784, 7102, 8480, 8576, 9314, 10720, 13568, 14204, 16960, 17152, 17755, 18628, 21440, 23285, 28408, 33920, 35510, 37256, 42880, 46570, 56816, 67840, 71020, 74512, 85760, 93140, 113632, 142040, 149024, 186280, 227264, 246821, 284080, 298048, 312019, 372560, 454528, 493642, 568160, 596096, 624038, 745120, 909056, 987284, 1136320, 1192192, 1234105, 1248076, 1490240, 1560095, 1974568, 2272640, 2468210, 2496152, 2980480, 3120190, 3949136, 4545280, 4936420, 4992304, 5960960, 6240380, 7898272, 9872840, 9984608, 12480760, 15796544, 16537007, 19745680, 19969216, 24961520, 31593088, 33074014, 39491360, 39938432, 49923040, 63186176, 66148028, 78982720, 79876864, 82685035, 99846080, 132296056, 157965440, 165370070, 199692160, 264592112, 315930880, 330740140, 399384320, 529184224, 661480280, 1058368448, 1322960560, 2116736896, 2645921120, 4233473792, 5291842240, 10583684480, 21167368960]

約数ペア:

[(1, 21167368960), (2, 10583684480), (4, 5291842240), (5, 4233473792), (8, 2645921120), (10, 2116736896), (16, 1322960560), (20, 1058368448), (32, 661480280), (40, 529184224), (53, 399384320), (64, 330740140), (67, 315930880), (80, 264592112), (106, 199692160), (128, 165370070), (134, 157965440), (160, 132296056), (212, 99846080), (256, 82685035), (265, 79876864), (268, 78982720), (320, 66148028), (335, 63186176), (424, 49923040), (530, 39938432), (536, 39491360), (640, 33074014), (670, 31593088), (848, 24961520), (1060, 19969216), (1072, 19745680), (1280, 16537007), (1340, 15796544), (1696, 12480760), (2120, 9984608), (2144, 9872840), (2680, 7898272), (3392, 6240380), (3551, 5960960), (4240, 4992304), (4288, 4936420), (4657, 4545280), (5360, 3949136), (6784, 3120190), (7102, 2980480), (8480, 2496152), (8576, 2468210), (9314, 2272640), (10720, 1974568), (13568, 1560095), (14204, 1490240), (16960, 1248076), (17152, 1234105), (17755, 1192192), (18628, 1136320), (21440, 987284), (23285, 909056), (28408, 745120), (33920, 624038), (35510, 596096), (37256, 568160), (42880, 493642), (46570, 454528), (56816, 372560), (67840, 312019), (71020, 298048), (74512, 284080), (85760, 246821), (93140, 227264), (113632, 186280), (142040, 149024)]