21268292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1217}}^1$

素因数の和:1495

約数の個数: 24

約数和(自身を含む): 39594744

約数和(自身を除く): 18326452

約数列:

[1, 2, 4, 17, 34, 68, 257, 514, 1028, 1217, 2434, 4369, 4868, 8738, 17476, 20689, 41378, 82756, 312769, 625538, 1251076, 5317073, 10634146, 21268292]

約数ペア:

[(1, 21268292), (2, 10634146), (4, 5317073), (17, 1251076), (34, 625538), (68, 312769), (257, 82756), (514, 41378), (1028, 20689), (1217, 17476), (2434, 8738), (4369, 4868)]