21105364

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 45239040

約数和(自身を除く): 24133676

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 101, 119, 202, 238, 404, 439, 476, 707, 878, 1414, 1717, 1756, 2828, 3073, 3434, 6146, 6868, 7463, 12019, 12292, 14926, 24038, 29852, 44339, 48076, 52241, 88678, 104482, 177356, 208964, 310373, 620746, 753763, 1241492, 1507526, 3015052, 5276341, 10552682, 21105364]

約数ペア:

[(1, 21105364), (2, 10552682), (4, 5276341), (7, 3015052), (14, 1507526), (17, 1241492), (28, 753763), (34, 620746), (68, 310373), (101, 208964), (119, 177356), (202, 104482), (238, 88678), (404, 52241), (439, 48076), (476, 44339), (707, 29852), (878, 24038), (1414, 14926), (1717, 12292), (1756, 12019), (2828, 7463), (3073, 6868), (3434, 6146)]