21047904

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^1\times {\mathrm{1433}}^1$

素因数の和:1469

約数の個数: 96

約数和(自身を含む): 65046240

約数和(自身を除く): 43998336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 96, 102, 108, 136, 144, 153, 204, 216, 272, 288, 306, 408, 432, 459, 544, 612, 816, 864, 918, 1224, 1433, 1632, 1836, 2448, 2866, 3672, 4299, 4896, 5732, 7344, 8598, 11464, 12897, 14688, 17196, 22928, 24361, 25794, 34392, 38691, 45856, 48722, 51588, 68784, 73083, 77382, 97444, 103176, 137568, 146166, 154764, 194888, 206352, 219249, 292332, 309528, 389776, 412704, 438498, 584664, 619056, 657747, 779552, 876996, 1169328, 1238112, 1315494, 1753992, 2338656, 2630988, 3507984, 5261976, 7015968, 10523952, 21047904]

約数ペア:

[(1, 21047904), (2, 10523952), (3, 7015968), (4, 5261976), (6, 3507984), (8, 2630988), (9, 2338656), (12, 1753992), (16, 1315494), (17, 1238112), (18, 1169328), (24, 876996), (27, 779552), (32, 657747), (34, 619056), (36, 584664), (48, 438498), (51, 412704), (54, 389776), (68, 309528), (72, 292332), (96, 219249), (102, 206352), (108, 194888), (136, 154764), (144, 146166), (153, 137568), (204, 103176), (216, 97444), (272, 77382), (288, 73083), (306, 68784), (408, 51588), (432, 48722), (459, 45856), (544, 38691), (612, 34392), (816, 25794), (864, 24361), (918, 22928), (1224, 17196), (1433, 14688), (1632, 12897), (1836, 11464), (2448, 8598), (2866, 7344), (3672, 5732), (4299, 4896)]