21269006

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 39890880

約数和(自身を除く): 18621874

約数列:

[1, 2, 11, 17, 22, 29, 34, 37, 53, 58, 74, 106, 187, 319, 374, 407, 493, 583, 629, 638, 814, 901, 986, 1073, 1166, 1258, 1537, 1802, 1961, 2146, 3074, 3922, 5423, 6919, 9911, 10846, 11803, 13838, 16907, 18241, 19822, 21571, 23606, 26129, 33337, 33814, 36482, 43142, 52258, 56869, 66674, 113738, 200651, 287419, 366707, 401302, 574838, 625559, 733414, 966773, 1251118, 1933546, 10634503, 21269006]

約数ペア:

[(1, 21269006), (2, 10634503), (11, 1933546), (17, 1251118), (22, 966773), (29, 733414), (34, 625559), (37, 574838), (53, 401302), (58, 366707), (74, 287419), (106, 200651), (187, 113738), (319, 66674), (374, 56869), (407, 52258), (493, 43142), (583, 36482), (629, 33814), (638, 33337), (814, 26129), (901, 23606), (986, 21571), (1073, 19822), (1166, 18241), (1258, 16907), (1537, 13838), (1802, 11803), (1961, 10846), (2146, 9911), (3074, 6919), (3922, 5423)]