21076272

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 180

約数和(自身を含む): 71669520

約数和(自身を除く): 50593248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 42, 48, 49, 56, 58, 63, 72, 84, 87, 98, 103, 112, 116, 126, 144, 147, 168, 174, 196, 203, 206, 232, 252, 261, 294, 309, 336, 348, 392, 406, 412, 441, 464, 504, 522, 588, 609, 618, 696, 721, 784, 812, 824, 882, 927, 1008, 1044, 1176, 1218, 1236, 1392, 1421, 1442, 1624, 1648, 1764, 1827, 1854, 2088, 2163, 2352, 2436, 2472, 2842, 2884, 2987, 3248, 3528, 3654, 3708, 4176, 4263, 4326, 4872, 4944, 5047, 5684, 5768, 5974, 6489, 7056, 7308, 7416, 8526, 8652, 8961, 9744, 10094, 11368, 11536, 11948, 12789, 12978, 14616, 14832, 15141, 17052, 17304, 17922, 20188, 20909, 22736, 23896, 25578, 25956, 26883, 29232, 30282, 34104, 34608, 35844, 40376, 41818, 45423, 47792, 51156, 51912, 53766, 60564, 62727, 68208, 71688, 80752, 83636, 90846, 102312, 103824, 107532, 121128, 125454, 143376, 146363, 167272, 181692, 188181, 204624, 215064, 242256, 250908, 292726, 334544, 363384, 376362, 430128, 439089, 501816, 585452, 726768, 752724, 878178, 1003632, 1170904, 1317267, 1505448, 1756356, 2341808, 2634534, 3010896, 3512712, 5269068, 7025424, 10538136, 21076272]

約数ペア:

[(1, 21076272), (2, 10538136), (3, 7025424), (4, 5269068), (6, 3512712), (7, 3010896), (8, 2634534), (9, 2341808), (12, 1756356), (14, 1505448), (16, 1317267), (18, 1170904), (21, 1003632), (24, 878178), (28, 752724), (29, 726768), (36, 585452), (42, 501816), (48, 439089), (49, 430128), (56, 376362), (58, 363384), (63, 334544), (72, 292726), (84, 250908), (87, 242256), (98, 215064), (103, 204624), (112, 188181), (116, 181692), (126, 167272), (144, 146363), (147, 143376), (168, 125454), (174, 121128), (196, 107532), (203, 103824), (206, 102312), (232, 90846), (252, 83636), (261, 80752), (294, 71688), (309, 68208), (336, 62727), (348, 60564), (392, 53766), (406, 51912), (412, 51156), (441, 47792), (464, 45423), (504, 41818), (522, 40376), (588, 35844), (609, 34608), (618, 34104), (696, 30282), (721, 29232), (784, 26883), (812, 25956), (824, 25578), (882, 23896), (927, 22736), (1008, 20909), (1044, 20188), (1176, 17922), (1218, 17304), (1236, 17052), (1392, 15141), (1421, 14832), (1442, 14616), (1624, 12978), (1648, 12789), (1764, 11948), (1827, 11536), (1854, 11368), (2088, 10094), (2163, 9744), (2352, 8961), (2436, 8652), (2472, 8526), (2842, 7416), (2884, 7308), (2987, 7056), (3248, 6489), (3528, 5974), (3654, 5768), (3708, 5684), (4176, 5047), (4263, 4944), (4326, 4872)]