21685968

素因数分解:

$2^4\times 3^4\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:626

約数の個数: 100

約数和(自身を含む): 65042340

約数和(自身を除く): 43356372

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 72, 81, 87, 108, 116, 144, 162, 174, 216, 232, 261, 324, 348, 432, 464, 522, 577, 648, 696, 783, 1044, 1154, 1296, 1392, 1566, 1731, 2088, 2308, 2349, 3132, 3462, 4176, 4616, 4698, 5193, 6264, 6924, 9232, 9396, 10386, 12528, 13848, 15579, 16733, 18792, 20772, 27696, 31158, 33466, 37584, 41544, 46737, 50199, 62316, 66932, 83088, 93474, 100398, 124632, 133864, 150597, 186948, 200796, 249264, 267728, 301194, 373896, 401592, 451791, 602388, 747792, 803184, 903582, 1204776, 1355373, 1807164, 2409552, 2710746, 3614328, 5421492, 7228656, 10842984, 21685968]

約数ペア:

[(1, 21685968), (2, 10842984), (3, 7228656), (4, 5421492), (6, 3614328), (8, 2710746), (9, 2409552), (12, 1807164), (16, 1355373), (18, 1204776), (24, 903582), (27, 803184), (29, 747792), (36, 602388), (48, 451791), (54, 401592), (58, 373896), (72, 301194), (81, 267728), (87, 249264), (108, 200796), (116, 186948), (144, 150597), (162, 133864), (174, 124632), (216, 100398), (232, 93474), (261, 83088), (324, 66932), (348, 62316), (432, 50199), (464, 46737), (522, 41544), (577, 37584), (648, 33466), (696, 31158), (783, 27696), (1044, 20772), (1154, 18792), (1296, 16733), (1392, 15579), (1566, 13848), (1731, 12528), (2088, 10386), (2308, 9396), (2349, 9232), (3132, 6924), (3462, 6264), (4176, 5193), (4616, 4698)]