21258424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6529}}^1$

素因数の和:6583

約数の個数: 32

約数和(自身を含む): 44665200

約数和(自身を除く): 23406776

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 6529, 13058, 26116, 52232, 71819, 143638, 241573, 287276, 483146, 574552, 966292, 1932584, 2657303, 5314606, 10629212, 21258424]

約数ペア:

[(1, 21258424), (2, 10629212), (4, 5314606), (8, 2657303), (11, 1932584), (22, 966292), (37, 574552), (44, 483146), (74, 287276), (88, 241573), (148, 143638), (296, 71819), (407, 52232), (814, 26116), (1628, 13058), (3256, 6529)]