21042424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 46771200

約数和(自身を除く): 25728776

約数列:

[1, 2, 4, 8, 13, 19, 23, 26, 38, 46, 52, 76, 92, 104, 152, 184, 247, 299, 437, 463, 494, 598, 874, 926, 988, 1196, 1748, 1852, 1976, 2392, 3496, 3704, 5681, 6019, 8797, 10649, 11362, 12038, 17594, 21298, 22724, 24076, 35188, 42596, 45448, 48152, 70376, 85192, 114361, 138437, 202331, 228722, 276874, 404662, 457444, 553748, 809324, 914888, 1107496, 1618648, 2630303, 5260606, 10521212, 21042424]

約数ペア:

[(1, 21042424), (2, 10521212), (4, 5260606), (8, 2630303), (13, 1618648), (19, 1107496), (23, 914888), (26, 809324), (38, 553748), (46, 457444), (52, 404662), (76, 276874), (92, 228722), (104, 202331), (152, 138437), (184, 114361), (247, 85192), (299, 70376), (437, 48152), (463, 45448), (494, 42596), (598, 35188), (874, 24076), (926, 22724), (988, 21298), (1196, 17594), (1748, 12038), (1852, 11362), (1976, 10649), (2392, 8797), (3496, 6019), (3704, 5681)]