21439724

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4673}}^1$

素因数の和:4745

約数の個数: 24

約数和(自身を含む): 39785088

約数和(自身を除く): 18345364

約数列:

[1, 2, 4, 31, 37, 62, 74, 124, 148, 1147, 2294, 4588, 4673, 9346, 18692, 144863, 172901, 289726, 345802, 579452, 691604, 5359931, 10719862, 21439724]

約数ペア:

[(1, 21439724), (2, 10719862), (4, 5359931), (31, 691604), (37, 579452), (62, 345802), (74, 289726), (124, 172901), (148, 144863), (1147, 18692), (2294, 9346), (4588, 4673)]