21000844794

素因数分解:

$2^1\times 3^1\times {\mathrm{2909}}^1\times {\mathrm{1203211}}^1$

素因数の和:1206125

約数の個数: 16

約数和(自身を含む): 42016163040

約数和(自身を除く): 21015318246

約数列:

[1, 2, 3, 6, 2909, 5818, 8727, 17454, 1203211, 2406422, 3609633, 7219266, 3500140799, 7000281598, 10500422397, 21000844794]

約数ペア:

[(1, 21000844794), (2, 10500422397), (3, 7000281598), (6, 3500140799), (2909, 7219266), (5818, 3609633), (8727, 2406422), (17454, 1203211)]