21741872

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25639}}^1$

素因数の和:25700

約数の個数: 20

約数和(自身を含む): 42921360

約数和(自身を除く): 21179488

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25639, 51278, 102556, 205112, 410224, 1358867, 2717734, 5435468, 10870936, 21741872]

約数ペア:

[(1, 21741872), (2, 10870936), (4, 5435468), (8, 2717734), (16, 1358867), (53, 410224), (106, 205112), (212, 102556), (424, 51278), (848, 25639)]