21705768

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43067}}^1$

素因数の和:43086

約数の個数: 48

約数和(自身を含む): 67186080

約数和(自身を除く): 45480312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 43067, 86134, 129201, 172268, 258402, 301469, 344536, 387603, 516804, 602938, 775206, 904407, 1033608, 1205876, 1550412, 1808814, 2411752, 2713221, 3100824, 3617628, 5426442, 7235256, 10852884, 21705768]

約数ペア:

[(1, 21705768), (2, 10852884), (3, 7235256), (4, 5426442), (6, 3617628), (7, 3100824), (8, 2713221), (9, 2411752), (12, 1808814), (14, 1550412), (18, 1205876), (21, 1033608), (24, 904407), (28, 775206), (36, 602938), (42, 516804), (56, 387603), (63, 344536), (72, 301469), (84, 258402), (126, 172268), (168, 129201), (252, 86134), (504, 43067)]