21898954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3307}}^1$

素因数の和:3370

約数の個数: 32

約数和(自身を含む): 41918976

約数和(自身を除く): 20020022

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 3307, 3311, 6614, 6622, 23149, 36377, 46298, 72754, 142201, 254639, 284402, 509278, 995407, 1564211, 1990814, 3128422, 10949477, 21898954]

約数ペア:

[(1, 21898954), (2, 10949477), (7, 3128422), (11, 1990814), (14, 1564211), (22, 995407), (43, 509278), (77, 284402), (86, 254639), (154, 142201), (301, 72754), (473, 46298), (602, 36377), (946, 23149), (3307, 6622), (3311, 6614)]