21343413

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2113}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 35988736

約数和(自身を除く): 14645323

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 2113, 3367, 6339, 10101, 14791, 27469, 44373, 78181, 82407, 192283, 234543, 547267, 576849, 1016353, 1641801, 3049059, 7114471, 21343413]

約数ペア:

[(1, 21343413), (3, 7114471), (7, 3049059), (13, 1641801), (21, 1016353), (37, 576849), (39, 547267), (91, 234543), (111, 192283), (259, 82407), (273, 78181), (481, 44373), (777, 27469), (1443, 14791), (2113, 10101), (3367, 6339)]