21311136

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2$

素因数の和:96

約数の個数: 216

約数和(自身を含む): 78073632

約数和(自身を除く): 56762496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 31, 32, 33, 36, 42, 44, 48, 56, 62, 63, 66, 72, 77, 84, 88, 93, 96, 99, 112, 124, 126, 132, 144, 154, 168, 176, 186, 198, 217, 224, 231, 248, 252, 264, 279, 288, 308, 336, 341, 352, 372, 396, 434, 462, 496, 504, 528, 558, 616, 651, 672, 682, 693, 744, 792, 868, 924, 961, 992, 1008, 1023, 1056, 1116, 1232, 1302, 1364, 1386, 1488, 1584, 1736, 1848, 1922, 1953, 2016, 2046, 2232, 2387, 2464, 2604, 2728, 2772, 2883, 2976, 3069, 3168, 3472, 3696, 3844, 3906, 4092, 4464, 4774, 5208, 5456, 5544, 5766, 6138, 6727, 6944, 7161, 7392, 7688, 7812, 8184, 8649, 8928, 9548, 10416, 10571, 10912, 11088, 11532, 12276, 13454, 14322, 15376, 15624, 16368, 17298, 19096, 20181, 20832, 21142, 21483, 22176, 23064, 24552, 26908, 28644, 30752, 31248, 31713, 32736, 34596, 38192, 40362, 42284, 42966, 46128, 49104, 53816, 57288, 60543, 62496, 63426, 69192, 73997, 76384, 80724, 84568, 85932, 92256, 95139, 98208, 107632, 114576, 121086, 126852, 138384, 147994, 161448, 169136, 171864, 190278, 215264, 221991, 229152, 242172, 253704, 276768, 295988, 322896, 338272, 343728, 380556, 443982, 484344, 507408, 591976, 645792, 665973, 687456, 761112, 887964, 968688, 1014816, 1183952, 1331946, 1522224, 1775928, 1937376, 2367904, 2663892, 3044448, 3551856, 5327784, 7103712, 10655568, 21311136]

約数ペア:

[(1, 21311136), (2, 10655568), (3, 7103712), (4, 5327784), (6, 3551856), (7, 3044448), (8, 2663892), (9, 2367904), (11, 1937376), (12, 1775928), (14, 1522224), (16, 1331946), (18, 1183952), (21, 1014816), (22, 968688), (24, 887964), (28, 761112), (31, 687456), (32, 665973), (33, 645792), (36, 591976), (42, 507408), (44, 484344), (48, 443982), (56, 380556), (62, 343728), (63, 338272), (66, 322896), (72, 295988), (77, 276768), (84, 253704), (88, 242172), (93, 229152), (96, 221991), (99, 215264), (112, 190278), (124, 171864), (126, 169136), (132, 161448), (144, 147994), (154, 138384), (168, 126852), (176, 121086), (186, 114576), (198, 107632), (217, 98208), (224, 95139), (231, 92256), (248, 85932), (252, 84568), (264, 80724), (279, 76384), (288, 73997), (308, 69192), (336, 63426), (341, 62496), (352, 60543), (372, 57288), (396, 53816), (434, 49104), (462, 46128), (496, 42966), (504, 42284), (528, 40362), (558, 38192), (616, 34596), (651, 32736), (672, 31713), (682, 31248), (693, 30752), (744, 28644), (792, 26908), (868, 24552), (924, 23064), (961, 22176), (992, 21483), (1008, 21142), (1023, 20832), (1056, 20181), (1116, 19096), (1232, 17298), (1302, 16368), (1364, 15624), (1386, 15376), (1488, 14322), (1584, 13454), (1736, 12276), (1848, 11532), (1922, 11088), (1953, 10912), (2016, 10571), (2046, 10416), (2232, 9548), (2387, 8928), (2464, 8649), (2604, 8184), (2728, 7812), (2772, 7688), (2883, 7392), (2976, 7161), (3069, 6944), (3168, 6727), (3472, 6138), (3696, 5766), (3844, 5544), (3906, 5456), (4092, 5208), (4464, 4774)]