21809376

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{1847}}^1$

素因数の和:1904

約数の個数: 72

約数和(自身を含む): 63567504

約数和(自身を除く): 41758128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1847, 1968, 2952, 3694, 3936, 5541, 5904, 7388, 11082, 11808, 14776, 16623, 22164, 29552, 33246, 44328, 59104, 66492, 75727, 88656, 132984, 151454, 177312, 227181, 265968, 302908, 454362, 531936, 605816, 681543, 908724, 1211632, 1363086, 1817448, 2423264, 2726172, 3634896, 5452344, 7269792, 10904688, 21809376]

約数ペア:

[(1, 21809376), (2, 10904688), (3, 7269792), (4, 5452344), (6, 3634896), (8, 2726172), (9, 2423264), (12, 1817448), (16, 1363086), (18, 1211632), (24, 908724), (32, 681543), (36, 605816), (41, 531936), (48, 454362), (72, 302908), (82, 265968), (96, 227181), (123, 177312), (144, 151454), (164, 132984), (246, 88656), (288, 75727), (328, 66492), (369, 59104), (492, 44328), (656, 33246), (738, 29552), (984, 22164), (1312, 16623), (1476, 14776), (1847, 11808), (1968, 11082), (2952, 7388), (3694, 5904), (3936, 5541)]