21109752

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{7151}}^1$

素因数の和:7204

約数の個数: 48

約数和(自身を含む): 58574880

約数和(自身を除く): 37465128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 7151, 14302, 21453, 28604, 42906, 57208, 64359, 85812, 128718, 171624, 257436, 293191, 514872, 586382, 879573, 1172764, 1759146, 2345528, 2638719, 3518292, 5277438, 7036584, 10554876, 21109752]

約数ペア:

[(1, 21109752), (2, 10554876), (3, 7036584), (4, 5277438), (6, 3518292), (8, 2638719), (9, 2345528), (12, 1759146), (18, 1172764), (24, 879573), (36, 586382), (41, 514872), (72, 293191), (82, 257436), (123, 171624), (164, 128718), (246, 85812), (328, 64359), (369, 57208), (492, 42906), (738, 28604), (984, 21453), (1476, 14302), (2952, 7151)]