21236754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1135

約数の個数: 64

約数和(自身を含む): 54236160

約数和(自身を除く): 32999406

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 43, 66, 77, 86, 129, 154, 231, 258, 301, 462, 473, 602, 903, 946, 1069, 1419, 1806, 2138, 2838, 3207, 3311, 6414, 6622, 7483, 9933, 11759, 14966, 19866, 22449, 23518, 35277, 44898, 45967, 70554, 82313, 91934, 137901, 164626, 246939, 275802, 321769, 493878, 505637, 643538, 965307, 1011274, 1516911, 1930614, 3033822, 3539459, 7078918, 10618377, 21236754]

約数ペア:

[(1, 21236754), (2, 10618377), (3, 7078918), (6, 3539459), (7, 3033822), (11, 1930614), (14, 1516911), (21, 1011274), (22, 965307), (33, 643538), (42, 505637), (43, 493878), (66, 321769), (77, 275802), (86, 246939), (129, 164626), (154, 137901), (231, 91934), (258, 82313), (301, 70554), (462, 45967), (473, 44898), (602, 35277), (903, 23518), (946, 22449), (1069, 19866), (1419, 14966), (1806, 11759), (2138, 9933), (2838, 7483), (3207, 6622), (3311, 6414)]