21528042

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 22501398

約数列:

[1, 2, 3, 6, 83, 139, 166, 249, 278, 311, 417, 498, 622, 834, 933, 1866, 11537, 23074, 25813, 34611, 43229, 51626, 69222, 77439, 86458, 129687, 154878, 259374, 3588007, 7176014, 10764021, 21528042]

約数ペア:

[(1, 21528042), (2, 10764021), (3, 7176014), (6, 3588007), (83, 259374), (139, 154878), (166, 129687), (249, 86458), (278, 77439), (311, 69222), (417, 51626), (498, 43229), (622, 34611), (834, 25813), (933, 23074), (1866, 11537)]