21356001

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{16829}}^1$

素因数の和:16885

約数の個数: 16

約数和(自身を含む): 32313600

約数和(自身を除く): 10957599

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 16829, 50487, 151461, 454383, 790963, 2372889, 7118667, 21356001]

約数ペア:

[(1, 21356001), (3, 7118667), (9, 2372889), (27, 790963), (47, 454383), (141, 151461), (423, 50487), (1269, 16829)]