21086865144

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{420191}}^1$

素因数の和:420261

約数の個数: 96

約数和(自身を含む): 61944704640

約数和(自身を除く): 40857839496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 41, 51, 68, 72, 82, 102, 123, 136, 153, 164, 204, 246, 306, 328, 369, 408, 492, 612, 697, 738, 984, 1224, 1394, 1476, 2091, 2788, 2952, 4182, 5576, 6273, 8364, 12546, 16728, 25092, 50184, 420191, 840382, 1260573, 1680764, 2521146, 3361528, 3781719, 5042292, 7143247, 7563438, 10084584, 14286494, 15126876, 17227831, 21429741, 28572988, 30253752, 34455662, 42859482, 51683493, 57145976, 64289223, 68911324, 85718964, 103366986, 128578446, 137822648, 155050479, 171437928, 206733972, 257156892, 292873127, 310100958, 413467944, 514313784, 585746254, 620201916, 878619381, 1171492508, 1240403832, 1757238762, 2342985016, 2635858143, 3514477524, 5271716286, 7028955048, 10543432572, 21086865144]

約数ペア:

[(1, 21086865144), (2, 10543432572), (3, 7028955048), (4, 5271716286), (6, 3514477524), (8, 2635858143), (9, 2342985016), (12, 1757238762), (17, 1240403832), (18, 1171492508), (24, 878619381), (34, 620201916), (36, 585746254), (41, 514313784), (51, 413467944), (68, 310100958), (72, 292873127), (82, 257156892), (102, 206733972), (123, 171437928), (136, 155050479), (153, 137822648), (164, 128578446), (204, 103366986), (246, 85718964), (306, 68911324), (328, 64289223), (369, 57145976), (408, 51683493), (492, 42859482), (612, 34455662), (697, 30253752), (738, 28572988), (984, 21429741), (1224, 17227831), (1394, 15126876), (1476, 14286494), (2091, 10084584), (2788, 7563438), (2952, 7143247), (4182, 5042292), (5576, 3781719), (6273, 3361528), (8364, 2521146), (12546, 1680764), (16728, 1260573), (25092, 840382), (50184, 420191)]