21870138

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{88903}}^1$

素因数の和:88949

約数の個数: 16

約数和(自身を含む): 44807616

約数和(自身を除く): 22937478

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 88903, 177806, 266709, 533418, 3645023, 7290046, 10935069, 21870138]

約数ペア:

[(1, 21870138), (2, 10935069), (3, 7290046), (6, 3645023), (41, 533418), (82, 266709), (123, 177806), (246, 88903)]