21835959

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 10266441

約数列:

[1, 3, 19, 43, 57, 59, 129, 151, 177, 453, 817, 1121, 2451, 2537, 2869, 3363, 6493, 7611, 8607, 8909, 19479, 26727, 48203, 123367, 144609, 169271, 370101, 383087, 507813, 1149261, 7278653, 21835959]

約数ペア:

[(1, 21835959), (3, 7278653), (19, 1149261), (43, 507813), (57, 383087), (59, 370101), (129, 169271), (151, 144609), (177, 123367), (453, 48203), (817, 26727), (1121, 19479), (2451, 8909), (2537, 8607), (2869, 7611), (3363, 6493)]