21142076

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{48491}}^1$

素因数の和:48604

約数の個数: 12

約数和(自身を含む): 37338840

約数和(自身を除く): 16196764

約数列:

[1, 2, 4, 109, 218, 436, 48491, 96982, 193964, 5285519, 10571038, 21142076]

約数ペア:

[(1, 21142076), (2, 10571038), (4, 5285519), (109, 193964), (218, 96982), (436, 48491)]