21516672

素因数分解:

$2^7\times 3^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 57711600

約数和(自身を除く): 36194928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 137, 192, 274, 384, 409, 411, 548, 818, 822, 1096, 1227, 1636, 1644, 2192, 2454, 3272, 3288, 4384, 4908, 6544, 6576, 8768, 9816, 13088, 13152, 17536, 19632, 26176, 26304, 39264, 52352, 52608, 56033, 78528, 112066, 157056, 168099, 224132, 336198, 448264, 672396, 896528, 1344792, 1793056, 2689584, 3586112, 5379168, 7172224, 10758336, 21516672]

約数ペア:

[(1, 21516672), (2, 10758336), (3, 7172224), (4, 5379168), (6, 3586112), (8, 2689584), (12, 1793056), (16, 1344792), (24, 896528), (32, 672396), (48, 448264), (64, 336198), (96, 224132), (128, 168099), (137, 157056), (192, 112066), (274, 78528), (384, 56033), (409, 52608), (411, 52352), (548, 39264), (818, 26304), (822, 26176), (1096, 19632), (1227, 17536), (1636, 13152), (1644, 13088), (2192, 9816), (2454, 8768), (3272, 6576), (3288, 6544), (4384, 4908)]