21000304872

素因数分解:

$2^3\times 3^2\times {\mathrm{291670901}}^1$

素因数の和:291670913

約数の個数: 24

約数和(自身を含む): 56875825890

約数和(自身を除く): 35875521018

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291670901, 583341802, 875012703, 1166683604, 1750025406, 2333367208, 2625038109, 3500050812, 5250076218, 7000101624, 10500152436, 21000304872]

約数ペア:

[(1, 21000304872), (2, 10500152436), (3, 7000101624), (4, 5250076218), (6, 3500050812), (8, 2625038109), (9, 2333367208), (12, 1750025406), (18, 1166683604), (24, 875012703), (36, 583341802), (72, 291670901)]