21327024

素因数分解:

$2^4\times 3^1\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 55260352

約数和(自身を除く): 33933328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 643, 691, 1286, 1382, 1929, 2073, 2572, 2764, 3858, 4146, 5144, 5528, 7716, 8292, 10288, 11056, 15432, 16584, 30864, 33168, 444313, 888626, 1332939, 1777252, 2665878, 3554504, 5331756, 7109008, 10663512, 21327024]

約数ペア:

[(1, 21327024), (2, 10663512), (3, 7109008), (4, 5331756), (6, 3554504), (8, 2665878), (12, 1777252), (16, 1332939), (24, 888626), (48, 444313), (643, 33168), (691, 30864), (1286, 16584), (1382, 15432), (1929, 11056), (2073, 10288), (2572, 8292), (2764, 7716), (3858, 5528), (4146, 5144)]