21543072

素因数分解:

$2^5\times 3^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 56800800

約数和(自身を除く): 35257728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 349, 643, 698, 1047, 1286, 1396, 1929, 2094, 2572, 2792, 3858, 4188, 5144, 5584, 7716, 8376, 10288, 11168, 15432, 16752, 20576, 30864, 33504, 61728, 224407, 448814, 673221, 897628, 1346442, 1795256, 2692884, 3590512, 5385768, 7181024, 10771536, 21543072]

約数ペア:

[(1, 21543072), (2, 10771536), (3, 7181024), (4, 5385768), (6, 3590512), (8, 2692884), (12, 1795256), (16, 1346442), (24, 897628), (32, 673221), (48, 448814), (96, 224407), (349, 61728), (643, 33504), (698, 30864), (1047, 20576), (1286, 16752), (1396, 15432), (1929, 11168), (2094, 10288), (2572, 8376), (2792, 7716), (3858, 5584), (4188, 5144)]