21750222

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{278849}}^1$

素因数の和:278867

約数の個数: 16

約数和(自身を含む): 46846800

約数和(自身を除く): 25096578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 278849, 557698, 836547, 1673094, 3625037, 7250074, 10875111, 21750222]

約数ペア:

[(1, 21750222), (2, 10875111), (3, 7250074), (6, 3625037), (13, 1673094), (26, 836547), (39, 557698), (78, 278849)]