21304268

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 38013360

約数和(自身を除く): 16709092

約数列:

[1, 2, 4, 109, 131, 218, 262, 373, 436, 524, 746, 1492, 14279, 28558, 40657, 48863, 57116, 81314, 97726, 162628, 195452, 5326067, 10652134, 21304268]

約数ペア:

[(1, 21304268), (2, 10652134), (4, 5326067), (109, 195452), (131, 162628), (218, 97726), (262, 81314), (373, 57116), (436, 48863), (524, 40657), (746, 28558), (1492, 14279)]