21472668848

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9654977}}^1$

素因数の和:9655124

約数の個数: 20

約数和(自身を含む): 41902604520

約数和(自身を除く): 20429935672

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9654977, 19309954, 38619908, 77239816, 154479632, 1342041803, 2684083606, 5368167212, 10736334424, 21472668848]

約数ペア:

[(1, 21472668848), (2, 10736334424), (4, 5368167212), (8, 2684083606), (16, 1342041803), (139, 154479632), (278, 77239816), (556, 38619908), (1112, 19309954), (2224, 9654977)]