21568393

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16477}}^1$

素因数の和:16512

約数の個数: 16

約数和(自身を含む): 28473984

約数和(自身を除く): 6905591

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16477, 115339, 181247, 280109, 1268729, 1960763, 3081199, 21568393]

約数ペア:

[(1, 21568393), (7, 3081199), (11, 1960763), (17, 1268729), (77, 280109), (119, 181247), (187, 115339), (1309, 16477)]