21133364

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20399}}^1$

素因数の和:20447

約数の個数: 24

約数和(自身を含む): 43411200

約数和(自身を除く): 22277836

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20399, 40798, 81596, 142793, 285586, 571172, 754763, 1509526, 3019052, 5283341, 10566682, 21133364]

約数ペア:

[(1, 21133364), (2, 10566682), (4, 5283341), (7, 3019052), (14, 1509526), (28, 754763), (37, 571172), (74, 285586), (148, 142793), (259, 81596), (518, 40798), (1036, 20399)]