21218018024

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1151651}}^1$

素因数の和:1151718

約数の個数: 48

約数和(自身を含む): 47263798080

約数和(自身を除く): 26045780056

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1316, 2303, 2632, 4606, 9212, 18424, 1151651, 2303302, 4606604, 8061557, 9213208, 16123114, 32246228, 54127597, 56430899, 64492456, 108255194, 112861798, 216510388, 225723596, 378893179, 433020776, 451447192, 757786358, 1515572716, 2652252253, 3031145432, 5304504506, 10609009012, 21218018024]

約数ペア:

[(1, 21218018024), (2, 10609009012), (4, 5304504506), (7, 3031145432), (8, 2652252253), (14, 1515572716), (28, 757786358), (47, 451447192), (49, 433020776), (56, 378893179), (94, 225723596), (98, 216510388), (188, 112861798), (196, 108255194), (329, 64492456), (376, 56430899), (392, 54127597), (658, 32246228), (1316, 16123114), (2303, 9213208), (2632, 8061557), (4606, 4606604), (9212, 2303302), (18424, 1151651)]