21399158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1973}}^1$

素因数の和:2032

約数の個数: 32

約数和(自身を含む): 38374560

約数和(自身を除く): 16975402

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 187, 319, 374, 493, 638, 986, 1973, 3946, 5423, 10846, 21703, 33541, 43406, 57217, 67082, 114434, 368951, 629387, 737902, 972689, 1258774, 1945378, 10699579, 21399158]

約数ペア:

[(1, 21399158), (2, 10699579), (11, 1945378), (17, 1258774), (22, 972689), (29, 737902), (34, 629387), (58, 368951), (187, 114434), (319, 67082), (374, 57217), (493, 43406), (638, 33541), (986, 21703), (1973, 10846), (3946, 5423)]