21855758211

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{45569}}^1$

素因数の和:45936

約数の個数: 48

約数和(自身を含む): 37762583040

約数和(自身を除く): 15906824829

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 331, 483, 993, 1449, 2317, 2979, 6951, 7613, 20853, 22839, 45569, 53291, 68517, 136707, 159873, 318983, 410121, 479619, 956949, 1048087, 2870847, 3144261, 7336609, 9432783, 15083339, 22009827, 45250017, 66029481, 105583373, 135750051, 316750119, 346916797, 950250357, 1040750391, 2428417579, 3122251173, 7285252737, 21855758211]

約数ペア:

[(1, 21855758211), (3, 7285252737), (7, 3122251173), (9, 2428417579), (21, 1040750391), (23, 950250357), (63, 346916797), (69, 316750119), (161, 135750051), (207, 105583373), (331, 66029481), (483, 45250017), (993, 22009827), (1449, 15083339), (2317, 9432783), (2979, 7336609), (6951, 3144261), (7613, 2870847), (20853, 1048087), (22839, 956949), (45569, 479619), (53291, 410121), (68517, 318983), (136707, 159873)]