21152612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3203}}^1$

素因数の和:3347

約数の個数: 24

約数和(自身を含む): 40190976

約数和(自身を除く): 19038364

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3203, 3302, 6406, 6604, 12812, 41639, 83278, 166556, 406781, 813562, 1627124, 5288153, 10576306, 21152612]

約数ペア:

[(1, 21152612), (2, 10576306), (4, 5288153), (13, 1627124), (26, 813562), (52, 406781), (127, 166556), (254, 83278), (508, 41639), (1651, 12812), (3203, 6604), (3302, 6406)]