21344290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6691}}^1$

素因数の和:6738

約数の個数: 32

約数和(自身を含む): 43364160

約数和(自身を除く): 22019870

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6691, 13382, 33455, 66910, 73601, 147202, 194039, 368005, 388078, 736010, 970195, 1940390, 2134429, 4268858, 10672145, 21344290]

約数ペア:

[(1, 21344290), (2, 10672145), (5, 4268858), (10, 2134429), (11, 1940390), (22, 970195), (29, 736010), (55, 388078), (58, 368005), (110, 194039), (145, 147202), (290, 73601), (319, 66910), (638, 33455), (1595, 13382), (3190, 6691)]