21138572

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{58073}}^1$

素因数の和:58097

約数の個数: 24

約数和(自身を含む): 45530016

約数和(自身を除く): 24391444

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 58073, 116146, 232292, 406511, 754949, 813022, 1509898, 1626044, 3019796, 5284643, 10569286, 21138572]

約数ペア:

[(1, 21138572), (2, 10569286), (4, 5284643), (7, 3019796), (13, 1626044), (14, 1509898), (26, 813022), (28, 754949), (52, 406511), (91, 232292), (182, 116146), (364, 58073)]