21044712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1823}}^1$

素因数の和:1882

約数の個数: 64

約数和(自身を含む): 58222080

約数和(自身を除く): 37177368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1823, 1924, 2886, 3646, 3848, 5469, 5772, 7292, 10938, 11544, 14584, 21876, 23699, 43752, 47398, 67451, 71097, 94796, 134902, 142194, 189592, 202353, 269804, 284388, 404706, 539608, 568776, 809412, 876863, 1618824, 1753726, 2630589, 3507452, 5261178, 7014904, 10522356, 21044712]

約数ペア:

[(1, 21044712), (2, 10522356), (3, 7014904), (4, 5261178), (6, 3507452), (8, 2630589), (12, 1753726), (13, 1618824), (24, 876863), (26, 809412), (37, 568776), (39, 539608), (52, 404706), (74, 284388), (78, 269804), (104, 202353), (111, 189592), (148, 142194), (156, 134902), (222, 94796), (296, 71097), (312, 67451), (444, 47398), (481, 43752), (888, 23699), (962, 21876), (1443, 14584), (1823, 11544), (1924, 10938), (2886, 7292), (3646, 5772), (3848, 5469)]