21337992

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 68607000

約数和(自身を除く): 47269008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 27, 34, 36, 39, 51, 52, 54, 68, 72, 78, 81, 102, 104, 108, 117, 136, 149, 153, 156, 162, 204, 216, 221, 234, 298, 306, 312, 324, 351, 408, 442, 447, 459, 468, 596, 612, 648, 663, 702, 884, 894, 918, 936, 1053, 1192, 1224, 1326, 1341, 1377, 1404, 1768, 1788, 1836, 1937, 1989, 2106, 2533, 2652, 2682, 2754, 2808, 3576, 3672, 3874, 3978, 4023, 4212, 5066, 5304, 5364, 5508, 5811, 5967, 7599, 7748, 7956, 8046, 8424, 10132, 10728, 11016, 11622, 11934, 12069, 15198, 15496, 15912, 16092, 17433, 17901, 20264, 22797, 23244, 23868, 24138, 30396, 32184, 32929, 34866, 35802, 45594, 46488, 47736, 48276, 52299, 60792, 65858, 68391, 69732, 71604, 91188, 96552, 98787, 104598, 131716, 136782, 139464, 143208, 156897, 182376, 197574, 205173, 209196, 263432, 273564, 296361, 313794, 395148, 410346, 418392, 547128, 592722, 627588, 790296, 820692, 889083, 1185444, 1255176, 1641384, 1778166, 2370888, 2667249, 3556332, 5334498, 7112664, 10668996, 21337992]

約数ペア:

[(1, 21337992), (2, 10668996), (3, 7112664), (4, 5334498), (6, 3556332), (8, 2667249), (9, 2370888), (12, 1778166), (13, 1641384), (17, 1255176), (18, 1185444), (24, 889083), (26, 820692), (27, 790296), (34, 627588), (36, 592722), (39, 547128), (51, 418392), (52, 410346), (54, 395148), (68, 313794), (72, 296361), (78, 273564), (81, 263432), (102, 209196), (104, 205173), (108, 197574), (117, 182376), (136, 156897), (149, 143208), (153, 139464), (156, 136782), (162, 131716), (204, 104598), (216, 98787), (221, 96552), (234, 91188), (298, 71604), (306, 69732), (312, 68391), (324, 65858), (351, 60792), (408, 52299), (442, 48276), (447, 47736), (459, 46488), (468, 45594), (596, 35802), (612, 34866), (648, 32929), (663, 32184), (702, 30396), (884, 24138), (894, 23868), (918, 23244), (936, 22797), (1053, 20264), (1192, 17901), (1224, 17433), (1326, 16092), (1341, 15912), (1377, 15496), (1404, 15198), (1768, 12069), (1788, 11934), (1836, 11622), (1937, 11016), (1989, 10728), (2106, 10132), (2533, 8424), (2652, 8046), (2682, 7956), (2754, 7748), (2808, 7599), (3576, 5967), (3672, 5811), (3874, 5508), (3978, 5364), (4023, 5304), (4212, 5066)]