21139941724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{67679}}^1$

素因数の和:67954

約数の個数: 48

約数和(自身を含む): 41842483200

約数和(自身を除く): 20702541476

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 229, 341, 458, 682, 916, 1364, 2519, 5038, 7099, 10076, 14198, 28396, 67679, 78089, 135358, 156178, 270716, 312356, 744469, 1488938, 2098049, 2977876, 4196098, 8392196, 15498491, 23078539, 30996982, 46157078, 61993964, 92314156, 170483401, 340966802, 480453221, 681933604, 960906442, 1921812884, 5284985431, 10569970862, 21139941724]

約数ペア:

[(1, 21139941724), (2, 10569970862), (4, 5284985431), (11, 1921812884), (22, 960906442), (31, 681933604), (44, 480453221), (62, 340966802), (124, 170483401), (229, 92314156), (341, 61993964), (458, 46157078), (682, 30996982), (916, 23078539), (1364, 15498491), (2519, 8392196), (5038, 4196098), (7099, 2977876), (10076, 2098049), (14198, 1488938), (28396, 744469), (67679, 312356), (78089, 270716), (135358, 156178)]