21803604

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{16981}}^1$

素因数の和:17095

約数の個数: 24

約数和(自身を含む): 51353568

約数和(自身を除く): 29549964

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 16981, 33962, 50943, 67924, 101886, 203772, 1816967, 3633934, 5450901, 7267868, 10901802, 21803604]

約数ペア:

[(1, 21803604), (2, 10901802), (3, 7267868), (4, 5450901), (6, 3633934), (12, 1816967), (107, 203772), (214, 101886), (321, 67924), (428, 50943), (642, 33962), (1284, 16981)]