21494836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2699}}^1$

素因数の和:2895

約数の個数: 24

約数和(自身を含む): 41277600

約数和(自身を除く): 19782764

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2699, 3982, 5398, 7964, 10796, 29689, 59378, 118756, 488519, 977038, 1954076, 5373709, 10747418, 21494836]

約数ペア:

[(1, 21494836), (2, 10747418), (4, 5373709), (11, 1954076), (22, 977038), (44, 488519), (181, 118756), (362, 59378), (724, 29689), (1991, 10796), (2699, 7964), (3982, 5398)]