21994868

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1613}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 44107392

約数和(自身を除く): 22112524

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1613, 1948, 3226, 3409, 6452, 6818, 11291, 13636, 22582, 45164, 785531, 1571062, 3142124, 5498717, 10997434, 21994868]

約数ペア:

[(1, 21994868), (2, 10997434), (4, 5498717), (7, 3142124), (14, 1571062), (28, 785531), (487, 45164), (974, 22582), (1613, 13636), (1948, 11291), (3226, 6818), (3409, 6452)]