21206024

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 47278080

約数和(自身を除く): 26072056

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1151, 1316, 2302, 2303, 2632, 4604, 4606, 8057, 9208, 9212, 16114, 18424, 32228, 54097, 56399, 64456, 108194, 112798, 216388, 225596, 378679, 432776, 451192, 757358, 1514716, 2650753, 3029432, 5301506, 10603012, 21206024]

約数ペア:

[(1, 21206024), (2, 10603012), (4, 5301506), (7, 3029432), (8, 2650753), (14, 1514716), (28, 757358), (47, 451192), (49, 432776), (56, 378679), (94, 225596), (98, 216388), (188, 112798), (196, 108194), (329, 64456), (376, 56399), (392, 54097), (658, 32228), (1151, 18424), (1316, 16114), (2302, 9212), (2303, 9208), (2632, 8057), (4604, 4606)]