21346416

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 200

約数和(自身を含む): 76460384

約数和(自身を除く): 55113968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 112, 117, 126, 144, 156, 162, 168, 181, 182, 189, 208, 216, 234, 252, 273, 312, 324, 336, 351, 362, 364, 378, 432, 468, 504, 543, 546, 567, 624, 648, 702, 724, 728, 756, 819, 936, 1008, 1053, 1086, 1092, 1134, 1267, 1296, 1404, 1448, 1456, 1512, 1629, 1638, 1872, 2106, 2172, 2184, 2268, 2353, 2457, 2534, 2808, 2896, 3024, 3258, 3276, 3801, 4212, 4344, 4368, 4536, 4706, 4887, 4914, 5068, 5616, 6516, 6552, 7059, 7371, 7602, 8424, 8688, 9072, 9412, 9774, 9828, 10136, 11403, 13032, 13104, 14118, 14661, 14742, 15204, 16471, 16848, 18824, 19548, 19656, 20272, 21177, 22806, 26064, 28236, 29322, 29484, 30408, 32942, 34209, 37648, 39096, 39312, 42354, 45612, 49413, 56472, 58644, 58968, 60816, 63531, 65884, 68418, 78192, 84708, 91224, 98826, 102627, 112944, 117288, 117936, 127062, 131768, 136836, 148239, 169416, 182448, 190593, 197652, 205254, 234576, 254124, 263536, 273672, 296478, 338832, 381186, 395304, 410508, 444717, 508248, 547344, 592956, 762372, 790608, 821016, 889434, 1016496, 1185912, 1334151, 1524744, 1642032, 1778868, 2371824, 2668302, 3049488, 3557736, 5336604, 7115472, 10673208, 21346416]

約数ペア:

[(1, 21346416), (2, 10673208), (3, 7115472), (4, 5336604), (6, 3557736), (7, 3049488), (8, 2668302), (9, 2371824), (12, 1778868), (13, 1642032), (14, 1524744), (16, 1334151), (18, 1185912), (21, 1016496), (24, 889434), (26, 821016), (27, 790608), (28, 762372), (36, 592956), (39, 547344), (42, 508248), (48, 444717), (52, 410508), (54, 395304), (56, 381186), (63, 338832), (72, 296478), (78, 273672), (81, 263536), (84, 254124), (91, 234576), (104, 205254), (108, 197652), (112, 190593), (117, 182448), (126, 169416), (144, 148239), (156, 136836), (162, 131768), (168, 127062), (181, 117936), (182, 117288), (189, 112944), (208, 102627), (216, 98826), (234, 91224), (252, 84708), (273, 78192), (312, 68418), (324, 65884), (336, 63531), (351, 60816), (362, 58968), (364, 58644), (378, 56472), (432, 49413), (468, 45612), (504, 42354), (543, 39312), (546, 39096), (567, 37648), (624, 34209), (648, 32942), (702, 30408), (724, 29484), (728, 29322), (756, 28236), (819, 26064), (936, 22806), (1008, 21177), (1053, 20272), (1086, 19656), (1092, 19548), (1134, 18824), (1267, 16848), (1296, 16471), (1404, 15204), (1448, 14742), (1456, 14661), (1512, 14118), (1629, 13104), (1638, 13032), (1872, 11403), (2106, 10136), (2172, 9828), (2184, 9774), (2268, 9412), (2353, 9072), (2457, 8688), (2534, 8424), (2808, 7602), (2896, 7371), (3024, 7059), (3258, 6552), (3276, 6516), (3801, 5616), (4212, 5068), (4344, 4914), (4368, 4887), (4536, 4706)]