21938077

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1193}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 26134272

約数和(自身を除く): 4196195

約数列:

[1, 7, 37, 71, 259, 497, 1193, 2627, 8351, 18389, 44141, 84703, 308987, 592921, 3134011, 21938077]

約数ペア:

[(1, 21938077), (7, 3134011), (37, 592921), (71, 308987), (259, 84703), (497, 44141), (1193, 18389), (2627, 8351)]