21033686

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 34276608

約数和(自身を除く): 13242922

約数列:

[1, 2, 31, 37, 53, 62, 74, 106, 173, 346, 1147, 1643, 1961, 2294, 3286, 3922, 5363, 6401, 9169, 10726, 12802, 18338, 60791, 121582, 198431, 284239, 339253, 396862, 568478, 678506, 10516843, 21033686]

約数ペア:

[(1, 21033686), (2, 10516843), (31, 678506), (37, 568478), (53, 396862), (62, 339253), (74, 284239), (106, 198431), (173, 121582), (346, 60791), (1147, 18338), (1643, 12802), (1961, 10726), (2294, 9169), (3286, 6401), (3922, 5363)]