21748656

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 36747600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 83, 103, 106, 159, 166, 206, 212, 249, 309, 318, 332, 412, 424, 498, 618, 636, 664, 824, 848, 996, 1236, 1272, 1328, 1648, 1992, 2472, 2544, 3984, 4399, 4944, 5459, 8549, 8798, 10918, 13197, 16377, 17098, 17596, 21836, 25647, 26394, 32754, 34196, 35192, 43672, 51294, 52788, 65508, 68392, 70384, 87344, 102588, 105576, 131016, 136784, 205176, 211152, 262032, 410352, 453097, 906194, 1359291, 1812388, 2718582, 3624776, 5437164, 7249552, 10874328, 21748656]

約数ペア:

[(1, 21748656), (2, 10874328), (3, 7249552), (4, 5437164), (6, 3624776), (8, 2718582), (12, 1812388), (16, 1359291), (24, 906194), (48, 453097), (53, 410352), (83, 262032), (103, 211152), (106, 205176), (159, 136784), (166, 131016), (206, 105576), (212, 102588), (249, 87344), (309, 70384), (318, 68392), (332, 65508), (412, 52788), (424, 51294), (498, 43672), (618, 35192), (636, 34196), (664, 32754), (824, 26394), (848, 25647), (996, 21836), (1236, 17596), (1272, 17098), (1328, 16377), (1648, 13197), (1992, 10918), (2472, 8798), (2544, 8549), (3984, 5459), (4399, 4944)]