21000921912

素因数分解:

$2^3\times 3^2\times {\mathrm{291679471}}^1$

素因数の和:291679483

約数の個数: 24

約数和(自身を含む): 56877497040

約数和(自身を除く): 35876575128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291679471, 583358942, 875038413, 1166717884, 1750076826, 2333435768, 2625115239, 3500153652, 5250230478, 7000307304, 10500460956, 21000921912]

約数ペア:

[(1, 21000921912), (2, 10500460956), (3, 7000307304), (4, 5250230478), (6, 3500153652), (8, 2625115239), (9, 2333435768), (12, 1750076826), (18, 1166717884), (24, 875038413), (36, 583358942), (72, 291679471)]