21000985406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{50891}}^1\times {\mathrm{8971}}^1$

素因数の和:59887

約数の個数: 16

約数和(自身を含む): 32875417728

約数和(自身を除く): 11874432322

約数列:

[1, 2, 23, 46, 8971, 17942, 50891, 101782, 206333, 412666, 1170493, 2340986, 456543161, 913086322, 10500492703, 21000985406]

約数ペア:

[(1, 21000985406), (2, 10500492703), (23, 913086322), (46, 456543161), (8971, 2340986), (17942, 1170493), (50891, 412666), (101782, 206333)]