21436316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3719}}^1$

素因数の和:3865

約数の個数: 24

約数和(自身を含む): 41247360

約数和(自身を除く): 19811044

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3719, 5764, 7438, 14876, 40909, 81818, 163636, 487189, 974378, 1948756, 5359079, 10718158, 21436316]

約数ペア:

[(1, 21436316), (2, 10718158), (4, 5359079), (11, 1948756), (22, 974378), (44, 487189), (131, 163636), (262, 81818), (524, 40909), (1441, 14876), (2882, 7438), (3719, 5764)]