21480888

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{569}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 63680400

約数和(自身を除く): 42199512

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 121, 132, 143, 156, 242, 264, 286, 312, 363, 429, 484, 569, 572, 726, 858, 968, 1138, 1144, 1452, 1573, 1707, 1716, 2276, 2904, 3146, 3414, 3432, 4552, 4719, 6259, 6292, 6828, 7397, 9438, 12518, 12584, 13656, 14794, 18777, 18876, 22191, 25036, 29588, 37554, 37752, 44382, 50072, 59176, 68849, 75108, 81367, 88764, 137698, 150216, 162734, 177528, 206547, 244101, 275396, 325468, 413094, 488202, 550792, 650936, 826188, 895037, 976404, 1652376, 1790074, 1952808, 2685111, 3580148, 5370222, 7160296, 10740444, 21480888]

約数ペア:

[(1, 21480888), (2, 10740444), (3, 7160296), (4, 5370222), (6, 3580148), (8, 2685111), (11, 1952808), (12, 1790074), (13, 1652376), (22, 976404), (24, 895037), (26, 826188), (33, 650936), (39, 550792), (44, 488202), (52, 413094), (66, 325468), (78, 275396), (88, 244101), (104, 206547), (121, 177528), (132, 162734), (143, 150216), (156, 137698), (242, 88764), (264, 81367), (286, 75108), (312, 68849), (363, 59176), (429, 50072), (484, 44382), (569, 37752), (572, 37554), (726, 29588), (858, 25036), (968, 22191), (1138, 18876), (1144, 18777), (1452, 14794), (1573, 13656), (1707, 12584), (1716, 12518), (2276, 9438), (2904, 7397), (3146, 6828), (3414, 6292), (3432, 6259), (4552, 4719)]