21831264

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 288

約数和(自身を含む): 82555200

約数和(自身を除く): 60723936

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 28, 32, 34, 36, 39, 42, 48, 49, 51, 52, 56, 63, 68, 72, 78, 84, 91, 96, 98, 102, 104, 112, 117, 119, 126, 136, 144, 147, 153, 156, 168, 182, 196, 204, 208, 221, 224, 234, 238, 252, 272, 273, 288, 294, 306, 312, 336, 343, 357, 364, 392, 408, 416, 441, 442, 468, 476, 504, 544, 546, 588, 612, 624, 637, 663, 672, 686, 714, 728, 784, 816, 819, 833, 882, 884, 936, 952, 1008, 1029, 1071, 1092, 1176, 1224, 1248, 1274, 1326, 1372, 1428, 1456, 1547, 1568, 1632, 1638, 1666, 1764, 1768, 1872, 1904, 1911, 1989, 2016, 2058, 2142, 2184, 2352, 2448, 2499, 2548, 2652, 2744, 2856, 2912, 3087, 3094, 3276, 3332, 3528, 3536, 3744, 3808, 3822, 3978, 4116, 4284, 4368, 4459, 4641, 4704, 4896, 4998, 5096, 5304, 5488, 5712, 5733, 5831, 6174, 6188, 6552, 6664, 7056, 7072, 7497, 7644, 7956, 8232, 8568, 8736, 8918, 9282, 9996, 10192, 10608, 10829, 10976, 11424, 11466, 11662, 12348, 12376, 13104, 13328, 13377, 13923, 14112, 14994, 15288, 15912, 16464, 17136, 17493, 17836, 18564, 19992, 20384, 21216, 21658, 22932, 23324, 24696, 24752, 26208, 26656, 26754, 27846, 29988, 30576, 31824, 32487, 32928, 34272, 34986, 35672, 37128, 39984, 40131, 43316, 45864, 46648, 49392, 49504, 52479, 53508, 55692, 59976, 61152, 63648, 64974, 69972, 71344, 74256, 75803, 79968, 80262, 86632, 91728, 93296, 97461, 98784, 104958, 107016, 111384, 119952, 129948, 139944, 142688, 148512, 151606, 160524, 173264, 183456, 186592, 194922, 209916, 214032, 222768, 227409, 239904, 259896, 279888, 303212, 321048, 346528, 389844, 419832, 428064, 445536, 454818, 519792, 559776, 606424, 642096, 682227, 779688, 839664, 909636, 1039584, 1212848, 1284192, 1364454, 1559376, 1679328, 1819272, 2425696, 2728908, 3118752, 3638544, 5457816, 7277088, 10915632, 21831264]

約数ペア:

[(1, 21831264), (2, 10915632), (3, 7277088), (4, 5457816), (6, 3638544), (7, 3118752), (8, 2728908), (9, 2425696), (12, 1819272), (13, 1679328), (14, 1559376), (16, 1364454), (17, 1284192), (18, 1212848), (21, 1039584), (24, 909636), (26, 839664), (28, 779688), (32, 682227), (34, 642096), (36, 606424), (39, 559776), (42, 519792), (48, 454818), (49, 445536), (51, 428064), (52, 419832), (56, 389844), (63, 346528), (68, 321048), (72, 303212), (78, 279888), (84, 259896), (91, 239904), (96, 227409), (98, 222768), (102, 214032), (104, 209916), (112, 194922), (117, 186592), (119, 183456), (126, 173264), (136, 160524), (144, 151606), (147, 148512), (153, 142688), (156, 139944), (168, 129948), (182, 119952), (196, 111384), (204, 107016), (208, 104958), (221, 98784), (224, 97461), (234, 93296), (238, 91728), (252, 86632), (272, 80262), (273, 79968), (288, 75803), (294, 74256), (306, 71344), (312, 69972), (336, 64974), (343, 63648), (357, 61152), (364, 59976), (392, 55692), (408, 53508), (416, 52479), (441, 49504), (442, 49392), (468, 46648), (476, 45864), (504, 43316), (544, 40131), (546, 39984), (588, 37128), (612, 35672), (624, 34986), (637, 34272), (663, 32928), (672, 32487), (686, 31824), (714, 30576), (728, 29988), (784, 27846), (816, 26754), (819, 26656), (833, 26208), (882, 24752), (884, 24696), (936, 23324), (952, 22932), (1008, 21658), (1029, 21216), (1071, 20384), (1092, 19992), (1176, 18564), (1224, 17836), (1248, 17493), (1274, 17136), (1326, 16464), (1372, 15912), (1428, 15288), (1456, 14994), (1547, 14112), (1568, 13923), (1632, 13377), (1638, 13328), (1666, 13104), (1764, 12376), (1768, 12348), (1872, 11662), (1904, 11466), (1911, 11424), (1989, 10976), (2016, 10829), (2058, 10608), (2142, 10192), (2184, 9996), (2352, 9282), (2448, 8918), (2499, 8736), (2548, 8568), (2652, 8232), (2744, 7956), (2856, 7644), (2912, 7497), (3087, 7072), (3094, 7056), (3276, 6664), (3332, 6552), (3528, 6188), (3536, 6174), (3744, 5831), (3808, 5733), (3822, 5712), (3978, 5488), (4116, 5304), (4284, 5096), (4368, 4998), (4459, 4896), (4641, 4704)]