21079292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3719}}^1$

素因数の和:3845

約数の個数: 24

約数和(自身を含む): 40101600

約数和(自身を除く): 19022308

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3719, 5668, 7438, 14876, 48347, 96694, 193388, 405371, 810742, 1621484, 5269823, 10539646, 21079292]

約数ペア:

[(1, 21079292), (2, 10539646), (4, 5269823), (13, 1621484), (26, 810742), (52, 405371), (109, 193388), (218, 96694), (436, 48347), (1417, 14876), (2834, 7438), (3719, 5668)]