21832756

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 42602560

約数和(自身を除く): 20769804

約数列:

[1, 2, 4, 11, 22, 44, 79, 121, 158, 242, 316, 484, 571, 869, 1142, 1738, 2284, 3476, 6281, 9559, 12562, 19118, 25124, 38236, 45109, 69091, 90218, 138182, 180436, 276364, 496199, 992398, 1984796, 5458189, 10916378, 21832756]

約数ペア:

[(1, 21832756), (2, 10916378), (4, 5458189), (11, 1984796), (22, 992398), (44, 496199), (79, 276364), (121, 180436), (158, 138182), (242, 90218), (316, 69091), (484, 45109), (571, 38236), (869, 25124), (1142, 19118), (1738, 12562), (2284, 9559), (3476, 6281)]