21229664

素因数分解:

$2^5\times {\mathrm{307}}^1\times {\mathrm{2161}}^1$

素因数の和:2478

約数の個数: 24

約数和(自身を含む): 41951448

約数和(自身を除く): 20721784

約数列:

[1, 2, 4, 8, 16, 32, 307, 614, 1228, 2161, 2456, 4322, 4912, 8644, 9824, 17288, 34576, 69152, 663427, 1326854, 2653708, 5307416, 10614832, 21229664]

約数ペア:

[(1, 21229664), (2, 10614832), (4, 5307416), (8, 2653708), (16, 1326854), (32, 663427), (307, 69152), (614, 34576), (1228, 17288), (2161, 9824), (2456, 8644), (4322, 4912)]