21154956

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{15601}}^1$

素因数の和:15721

約数の個数: 24

約数和(自身を含む): 49801584

約数和(自身を除く): 28646628

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 15601, 31202, 46803, 62404, 93606, 187212, 1762913, 3525826, 5288739, 7051652, 10577478, 21154956]

約数ペア:

[(1, 21154956), (2, 10577478), (3, 7051652), (4, 5288739), (6, 3525826), (12, 1762913), (113, 187212), (226, 93606), (339, 62404), (452, 46803), (678, 31202), (1356, 15601)]