21604784

素因数分解:

$2^4\times {\mathrm{853}}^1\times {\mathrm{1583}}^1$

素因数の和:2444

約数の個数: 20

約数和(自身を含む): 41934816

約数和(自身を除く): 20330032

約数列:

[1, 2, 4, 8, 16, 853, 1583, 1706, 3166, 3412, 6332, 6824, 12664, 13648, 25328, 1350299, 2700598, 5401196, 10802392, 21604784]

約数ペア:

[(1, 21604784), (2, 10802392), (4, 5401196), (8, 2700598), (16, 1350299), (853, 25328), (1583, 13648), (1706, 12664), (3166, 6824), (3412, 6332)]