21869136

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 160

約数和(自身を含む): 68567040

約数和(自身を除く): 46697904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 31, 36, 46, 48, 54, 62, 69, 71, 72, 92, 93, 108, 124, 138, 142, 144, 184, 186, 207, 213, 216, 248, 276, 279, 284, 368, 372, 414, 426, 432, 496, 552, 558, 568, 621, 639, 713, 744, 828, 837, 852, 1104, 1116, 1136, 1242, 1278, 1426, 1488, 1633, 1656, 1674, 1704, 1917, 2139, 2201, 2232, 2484, 2556, 2852, 3266, 3312, 3348, 3408, 3834, 4278, 4402, 4464, 4899, 4968, 5112, 5704, 6417, 6532, 6603, 6696, 7668, 8556, 8804, 9798, 9936, 10224, 11408, 12834, 13064, 13206, 13392, 14697, 15336, 17112, 17608, 19251, 19596, 19809, 25668, 26128, 26412, 29394, 30672, 34224, 35216, 38502, 39192, 39618, 44091, 50623, 51336, 52824, 58788, 59427, 77004, 78384, 79236, 88182, 101246, 102672, 105648, 117576, 118854, 151869, 154008, 158472, 176364, 202492, 235152, 237708, 303738, 308016, 316944, 352728, 404984, 455607, 475416, 607476, 705456, 809968, 911214, 950832, 1214952, 1366821, 1822428, 2429904, 2733642, 3644856, 5467284, 7289712, 10934568, 21869136]

約数ペア:

[(1, 21869136), (2, 10934568), (3, 7289712), (4, 5467284), (6, 3644856), (8, 2733642), (9, 2429904), (12, 1822428), (16, 1366821), (18, 1214952), (23, 950832), (24, 911214), (27, 809968), (31, 705456), (36, 607476), (46, 475416), (48, 455607), (54, 404984), (62, 352728), (69, 316944), (71, 308016), (72, 303738), (92, 237708), (93, 235152), (108, 202492), (124, 176364), (138, 158472), (142, 154008), (144, 151869), (184, 118854), (186, 117576), (207, 105648), (213, 102672), (216, 101246), (248, 88182), (276, 79236), (279, 78384), (284, 77004), (368, 59427), (372, 58788), (414, 52824), (426, 51336), (432, 50623), (496, 44091), (552, 39618), (558, 39192), (568, 38502), (621, 35216), (639, 34224), (713, 30672), (744, 29394), (828, 26412), (837, 26128), (852, 25668), (1104, 19809), (1116, 19596), (1136, 19251), (1242, 17608), (1278, 17112), (1426, 15336), (1488, 14697), (1633, 13392), (1656, 13206), (1674, 13064), (1704, 12834), (1917, 11408), (2139, 10224), (2201, 9936), (2232, 9798), (2484, 8804), (2556, 8556), (2852, 7668), (3266, 6696), (3312, 6603), (3348, 6532), (3408, 6417), (3834, 5704), (4278, 5112), (4402, 4968), (4464, 4899)]