21373292

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 38169600

約数和(自身を除く): 16796308

約数列:

[1, 2, 4, 79, 158, 239, 283, 316, 478, 566, 956, 1132, 18881, 22357, 37762, 44714, 67637, 75524, 89428, 135274, 270548, 5343323, 10686646, 21373292]

約数ペア:

[(1, 21373292), (2, 10686646), (4, 5343323), (79, 270548), (158, 135274), (239, 89428), (283, 75524), (316, 67637), (478, 44714), (566, 37762), (956, 22357), (1132, 18881)]