21955408

素因数分解:

$2^4\times {\mathrm{367}}^1\times {\mathrm{3739}}^1$

素因数の和:4114

約数の個数: 20

約数和(自身を含む): 42665920

約数和(自身を除く): 20710512

約数列:

[1, 2, 4, 8, 16, 367, 734, 1468, 2936, 3739, 5872, 7478, 14956, 29912, 59824, 1372213, 2744426, 5488852, 10977704, 21955408]

約数ペア:

[(1, 21955408), (2, 10977704), (4, 5488852), (8, 2744426), (16, 1372213), (367, 59824), (734, 29912), (1468, 14956), (2936, 7478), (3739, 5872)]