21286076

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9623}}^1$

素因数の和:9713

約数の個数: 24

約数和(自身を含む): 43115520

約数和(自身を除く): 21829444

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9623, 19246, 38492, 67361, 134722, 269444, 760217, 1520434, 3040868, 5321519, 10643038, 21286076]

約数ペア:

[(1, 21286076), (2, 10643038), (4, 5321519), (7, 3040868), (14, 1520434), (28, 760217), (79, 269444), (158, 134722), (316, 67361), (553, 38492), (1106, 19246), (2212, 9623)]