21689088

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 59652096

約数和(自身を除く): 37963008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 744, 768, 911, 992, 1488, 1822, 1984, 2733, 2976, 3644, 3968, 5466, 5952, 7288, 7936, 10932, 11904, 14576, 21864, 23808, 28241, 29152, 43728, 56482, 58304, 84723, 87456, 112964, 116608, 169446, 174912, 225928, 233216, 338892, 349824, 451856, 677784, 699648, 903712, 1355568, 1807424, 2711136, 3614848, 5422272, 7229696, 10844544, 21689088]

約数ペア:

[(1, 21689088), (2, 10844544), (3, 7229696), (4, 5422272), (6, 3614848), (8, 2711136), (12, 1807424), (16, 1355568), (24, 903712), (31, 699648), (32, 677784), (48, 451856), (62, 349824), (64, 338892), (93, 233216), (96, 225928), (124, 174912), (128, 169446), (186, 116608), (192, 112964), (248, 87456), (256, 84723), (372, 58304), (384, 56482), (496, 43728), (744, 29152), (768, 28241), (911, 23808), (992, 21864), (1488, 14576), (1822, 11904), (1984, 10932), (2733, 7936), (2976, 7288), (3644, 5952), (3968, 5466)]