21143304

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 71891820

約数和(自身を除く): 50748516

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 39, 42, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 117, 126, 147, 156, 168, 182, 196, 234, 252, 273, 294, 312, 364, 392, 441, 461, 468, 504, 546, 588, 637, 728, 819, 882, 922, 936, 1092, 1176, 1274, 1383, 1638, 1764, 1844, 1911, 2184, 2548, 2766, 3227, 3276, 3528, 3688, 3822, 4149, 5096, 5532, 5733, 5993, 6454, 6552, 7644, 8298, 9681, 11064, 11466, 11986, 12908, 15288, 16596, 17979, 19362, 22589, 22932, 23972, 25816, 29043, 33192, 35958, 38724, 41951, 45178, 45864, 47944, 53937, 58086, 67767, 71916, 77448, 83902, 90356, 107874, 116172, 125853, 135534, 143832, 167804, 180712, 203301, 215748, 232344, 251706, 271068, 293657, 335608, 377559, 406602, 431496, 503412, 542136, 587314, 755118, 813204, 880971, 1006824, 1174628, 1510236, 1626408, 1761942, 2349256, 2642913, 3020472, 3523884, 5285826, 7047768, 10571652, 21143304]

約数ペア:

[(1, 21143304), (2, 10571652), (3, 7047768), (4, 5285826), (6, 3523884), (7, 3020472), (8, 2642913), (9, 2349256), (12, 1761942), (13, 1626408), (14, 1510236), (18, 1174628), (21, 1006824), (24, 880971), (26, 813204), (28, 755118), (36, 587314), (39, 542136), (42, 503412), (49, 431496), (52, 406602), (56, 377559), (63, 335608), (72, 293657), (78, 271068), (84, 251706), (91, 232344), (98, 215748), (104, 203301), (117, 180712), (126, 167804), (147, 143832), (156, 135534), (168, 125853), (182, 116172), (196, 107874), (234, 90356), (252, 83902), (273, 77448), (294, 71916), (312, 67767), (364, 58086), (392, 53937), (441, 47944), (461, 45864), (468, 45178), (504, 41951), (546, 38724), (588, 35958), (637, 33192), (728, 29043), (819, 25816), (882, 23972), (922, 22932), (936, 22589), (1092, 19362), (1176, 17979), (1274, 16596), (1383, 15288), (1638, 12908), (1764, 11986), (1844, 11466), (1911, 11064), (2184, 9681), (2548, 8298), (2766, 7644), (3227, 6552), (3276, 6454), (3528, 5993), (3688, 5733), (3822, 5532), (4149, 5096)]