21160906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4217}}^1$

素因数の和:4425

約数の個数: 16

約数和(自身を含む): 34368264

約数和(自身を除く): 13207358

約数列:

[1, 2, 13, 26, 193, 386, 2509, 4217, 5018, 8434, 54821, 109642, 813881, 1627762, 10580453, 21160906]

約数ペア:

[(1, 21160906), (2, 10580453), (13, 1627762), (26, 813881), (193, 109642), (386, 54821), (2509, 8434), (4217, 5018)]