21000913284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134621239}}^1$

素因数の和:134621259

約数の個数: 24

約数和(自身を含む): 52771526080

約数和(自身を除く): 31770612796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134621239, 269242478, 403863717, 538484956, 807727434, 1615454868, 1750076107, 3500152214, 5250228321, 7000304428, 10500456642, 21000913284]

約数ペア:

[(1, 21000913284), (2, 10500456642), (3, 7000304428), (4, 5250228321), (6, 3500152214), (12, 1750076107), (13, 1615454868), (26, 807727434), (39, 538484956), (52, 403863717), (78, 269242478), (156, 134621239)]