21760128

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1453}}^1$

素因数の和:1486

約数の個数: 96

約数和(自身を含む): 67480140

約数和(自身を除く): 45720012

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 288, 312, 384, 416, 468, 576, 624, 832, 936, 1152, 1248, 1453, 1664, 1872, 2496, 2906, 3744, 4359, 4992, 5812, 7488, 8718, 11624, 13077, 14976, 17436, 18889, 23248, 26154, 34872, 37778, 46496, 52308, 56667, 69744, 75556, 92992, 104616, 113334, 139488, 151112, 170001, 185984, 209232, 226668, 278976, 302224, 340002, 418464, 453336, 557952, 604448, 680004, 836928, 906672, 1208896, 1360008, 1673856, 1813344, 2417792, 2720016, 3626688, 5440032, 7253376, 10880064, 21760128]

約数ペア:

[(1, 21760128), (2, 10880064), (3, 7253376), (4, 5440032), (6, 3626688), (8, 2720016), (9, 2417792), (12, 1813344), (13, 1673856), (16, 1360008), (18, 1208896), (24, 906672), (26, 836928), (32, 680004), (36, 604448), (39, 557952), (48, 453336), (52, 418464), (64, 340002), (72, 302224), (78, 278976), (96, 226668), (104, 209232), (117, 185984), (128, 170001), (144, 151112), (156, 139488), (192, 113334), (208, 104616), (234, 92992), (288, 75556), (312, 69744), (384, 56667), (416, 52308), (468, 46496), (576, 37778), (624, 34872), (832, 26154), (936, 23248), (1152, 18889), (1248, 17436), (1453, 14976), (1664, 13077), (1872, 11624), (2496, 8718), (2906, 7488), (3744, 5812), (4359, 4992)]