21379968

素因数分解:

$2^7\times 3^2\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 62666760

約数和(自身を除く): 41286792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 67, 72, 96, 128, 134, 144, 192, 201, 268, 277, 288, 384, 402, 536, 554, 576, 603, 804, 831, 1072, 1108, 1152, 1206, 1608, 1662, 2144, 2216, 2412, 2493, 3216, 3324, 4288, 4432, 4824, 4986, 6432, 6648, 8576, 8864, 9648, 9972, 12864, 13296, 17728, 18559, 19296, 19944, 25728, 26592, 35456, 37118, 38592, 39888, 53184, 55677, 74236, 77184, 79776, 106368, 111354, 148472, 159552, 167031, 222708, 296944, 319104, 334062, 445416, 593888, 668124, 890832, 1187776, 1336248, 1781664, 2375552, 2672496, 3563328, 5344992, 7126656, 10689984, 21379968]

約数ペア:

[(1, 21379968), (2, 10689984), (3, 7126656), (4, 5344992), (6, 3563328), (8, 2672496), (9, 2375552), (12, 1781664), (16, 1336248), (18, 1187776), (24, 890832), (32, 668124), (36, 593888), (48, 445416), (64, 334062), (67, 319104), (72, 296944), (96, 222708), (128, 167031), (134, 159552), (144, 148472), (192, 111354), (201, 106368), (268, 79776), (277, 77184), (288, 74236), (384, 55677), (402, 53184), (536, 39888), (554, 38592), (576, 37118), (603, 35456), (804, 26592), (831, 25728), (1072, 19944), (1108, 19296), (1152, 18559), (1206, 17728), (1608, 13296), (1662, 12864), (2144, 9972), (2216, 9648), (2412, 8864), (2493, 8576), (3216, 6648), (3324, 6432), (4288, 4986), (4432, 4824)]