21681568

素因数分解:

$2^5\times {\mathrm{307}}^1\times {\mathrm{2207}}^1$

素因数の和:2524

約数の個数: 24

約数和(自身を含む): 42844032

約数和(自身を除く): 21162464

約数列:

[1, 2, 4, 8, 16, 32, 307, 614, 1228, 2207, 2456, 4414, 4912, 8828, 9824, 17656, 35312, 70624, 677549, 1355098, 2710196, 5420392, 10840784, 21681568]

約数ペア:

[(1, 21681568), (2, 10840784), (4, 5420392), (8, 2710196), (16, 1355098), (32, 677549), (307, 70624), (614, 35312), (1228, 17656), (2207, 9824), (2456, 8828), (4414, 4912)]