21595288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 48787200

約数和(自身を除く): 27191912

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 86, 88, 104, 143, 172, 286, 344, 439, 473, 559, 572, 878, 946, 1118, 1144, 1756, 1892, 2236, 3512, 3784, 4472, 4829, 5707, 6149, 9658, 11414, 12298, 18877, 19316, 22828, 24596, 37754, 38632, 45656, 49192, 62777, 75508, 125554, 151016, 207647, 245401, 251108, 415294, 490802, 502216, 830588, 981604, 1661176, 1963208, 2699411, 5398822, 10797644, 21595288]

約数ペア:

[(1, 21595288), (2, 10797644), (4, 5398822), (8, 2699411), (11, 1963208), (13, 1661176), (22, 981604), (26, 830588), (43, 502216), (44, 490802), (52, 415294), (86, 251108), (88, 245401), (104, 207647), (143, 151016), (172, 125554), (286, 75508), (344, 62777), (439, 49192), (473, 45656), (559, 38632), (572, 37754), (878, 24596), (946, 22828), (1118, 19316), (1144, 18877), (1756, 12298), (1892, 11414), (2236, 9658), (3512, 6149), (3784, 5707), (4472, 4829)]