21616078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2052

約数の個数: 32

約数和(自身を含む): 38763360

約数和(自身を除く): 17147282

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 187, 319, 374, 493, 638, 986, 1993, 3986, 5423, 10846, 21923, 33881, 43846, 57797, 67762, 115594, 372691, 635767, 745382, 982549, 1271534, 1965098, 10808039, 21616078]

約数ペア:

[(1, 21616078), (2, 10808039), (11, 1965098), (17, 1271534), (22, 982549), (29, 745382), (34, 635767), (58, 372691), (187, 115594), (319, 67762), (374, 57797), (493, 43846), (638, 33881), (986, 21923), (1993, 10846), (3986, 5423)]