21403140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32429}}^1$

素因数の和:32452

約数の個数: 48

約数和(自身を含む): 65378880

約数和(自身を除く): 43975740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32429, 64858, 97287, 129716, 162145, 194574, 324290, 356719, 389148, 486435, 648580, 713438, 972870, 1070157, 1426876, 1783595, 1945740, 2140314, 3567190, 4280628, 5350785, 7134380, 10701570, 21403140]

約数ペア:

[(1, 21403140), (2, 10701570), (3, 7134380), (4, 5350785), (5, 4280628), (6, 3567190), (10, 2140314), (11, 1945740), (12, 1783595), (15, 1426876), (20, 1070157), (22, 972870), (30, 713438), (33, 648580), (44, 486435), (55, 389148), (60, 356719), (66, 324290), (110, 194574), (132, 162145), (165, 129716), (220, 97287), (330, 64858), (660, 32429)]