21282844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 22958276

約数列:

[1, 2, 4, 11, 17, 22, 34, 37, 44, 68, 74, 148, 187, 374, 407, 629, 748, 769, 814, 1258, 1538, 1628, 2516, 3076, 6919, 8459, 13073, 13838, 16918, 26146, 27676, 28453, 33836, 52292, 56906, 113812, 143803, 287606, 312983, 483701, 575212, 625966, 967402, 1251932, 1934804, 5320711, 10641422, 21282844]

約数ペア:

[(1, 21282844), (2, 10641422), (4, 5320711), (11, 1934804), (17, 1251932), (22, 967402), (34, 625966), (37, 575212), (44, 483701), (68, 312983), (74, 287606), (148, 143803), (187, 113812), (374, 56906), (407, 52292), (629, 33836), (748, 28453), (769, 27676), (814, 26146), (1258, 16918), (1538, 13838), (1628, 13073), (2516, 8459), (3076, 6919)]