21181022464

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{15173}}^1$

素因数の和:15256

約数の個数: 144

約数和(自身を含む): 52106302080

約数和(自身を除く): 30925279616

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 41, 56, 64, 76, 82, 112, 128, 133, 152, 164, 224, 256, 266, 287, 304, 328, 448, 532, 574, 608, 656, 779, 896, 1064, 1148, 1216, 1312, 1558, 1792, 2128, 2296, 2432, 2624, 3116, 4256, 4592, 4864, 5248, 5453, 6232, 8512, 9184, 10496, 10906, 12464, 15173, 17024, 18368, 21812, 24928, 30346, 34048, 36736, 43624, 49856, 60692, 73472, 87248, 99712, 106211, 121384, 174496, 199424, 212422, 242768, 288287, 348992, 424844, 485536, 576574, 622093, 697984, 849688, 971072, 1153148, 1244186, 1395968, 1699376, 1942144, 2018009, 2306296, 2488372, 3398752, 3884288, 4036018, 4354651, 4612592, 4976744, 6797504, 8072036, 8709302, 9225184, 9953488, 11819767, 13595008, 16144072, 17418604, 18450368, 19906976, 23639534, 27190016, 32288144, 34837208, 36900736, 39813952, 47279068, 64576288, 69674416, 73801472, 79627904, 82738369, 94558136, 129152576, 139348832, 159255808, 165476738, 189116272, 258305152, 278697664, 330953476, 378232544, 516610304, 557395328, 661906952, 756465088, 1114790656, 1323813904, 1512930176, 2647627808, 3025860352, 5295255616, 10590511232, 21181022464]

約数ペア:

[(1, 21181022464), (2, 10590511232), (4, 5295255616), (7, 3025860352), (8, 2647627808), (14, 1512930176), (16, 1323813904), (19, 1114790656), (28, 756465088), (32, 661906952), (38, 557395328), (41, 516610304), (56, 378232544), (64, 330953476), (76, 278697664), (82, 258305152), (112, 189116272), (128, 165476738), (133, 159255808), (152, 139348832), (164, 129152576), (224, 94558136), (256, 82738369), (266, 79627904), (287, 73801472), (304, 69674416), (328, 64576288), (448, 47279068), (532, 39813952), (574, 36900736), (608, 34837208), (656, 32288144), (779, 27190016), (896, 23639534), (1064, 19906976), (1148, 18450368), (1216, 17418604), (1312, 16144072), (1558, 13595008), (1792, 11819767), (2128, 9953488), (2296, 9225184), (2432, 8709302), (2624, 8072036), (3116, 6797504), (4256, 4976744), (4592, 4612592), (4864, 4354651), (5248, 4036018), (5453, 3884288), (6232, 3398752), (8512, 2488372), (9184, 2306296), (10496, 2018009), (10906, 1942144), (12464, 1699376), (15173, 1395968), (17024, 1244186), (18368, 1153148), (21812, 971072), (24928, 849688), (30346, 697984), (34048, 622093), (36736, 576574), (43624, 485536), (49856, 424844), (60692, 348992), (73472, 288287), (87248, 242768), (99712, 212422), (106211, 199424), (121384, 174496)]