21410818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1741}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 38630592

約数和(自身を除く): 17219774

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 143, 286, 473, 559, 946, 1118, 1741, 3482, 6149, 12298, 19151, 22633, 38302, 45266, 74863, 149726, 248963, 497926, 823493, 973219, 1646986, 1946438, 10705409, 21410818]

約数ペア:

[(1, 21410818), (2, 10705409), (11, 1946438), (13, 1646986), (22, 973219), (26, 823493), (43, 497926), (86, 248963), (143, 149726), (286, 74863), (473, 45266), (559, 38302), (946, 22633), (1118, 19151), (1741, 12298), (3482, 6149)]