21043954776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{69463}}^1$

素因数の和:70456

約数の個数: 64

約数和(自身を含む): 56715966720

約数和(自身を除く): 35672011944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 971, 1942, 2913, 3884, 5826, 7768, 11652, 12623, 23304, 25246, 37869, 50492, 69463, 75738, 100984, 138926, 151476, 208389, 277852, 302952, 416778, 555704, 833556, 903019, 1667112, 1806038, 2709057, 3612076, 5418114, 7224152, 10836228, 21672456, 67448573, 134897146, 202345719, 269794292, 404691438, 539588584, 809382876, 876831449, 1618765752, 1753662898, 2630494347, 3507325796, 5260988694, 7014651592, 10521977388, 21043954776]

約数ペア:

[(1, 21043954776), (2, 10521977388), (3, 7014651592), (4, 5260988694), (6, 3507325796), (8, 2630494347), (12, 1753662898), (13, 1618765752), (24, 876831449), (26, 809382876), (39, 539588584), (52, 404691438), (78, 269794292), (104, 202345719), (156, 134897146), (312, 67448573), (971, 21672456), (1942, 10836228), (2913, 7224152), (3884, 5418114), (5826, 3612076), (7768, 2709057), (11652, 1806038), (12623, 1667112), (23304, 903019), (25246, 833556), (37869, 555704), (50492, 416778), (69463, 302952), (75738, 277852), (100984, 208389), (138926, 151476)]