21934563

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{17123}}^1$

素因数の和:17194

約数の個数: 16

約数和(自身を含む): 33974016

約数和(自身を除く): 12039453

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 17123, 51369, 119861, 359583, 1044503, 3133509, 7311521, 21934563]

約数ペア:

[(1, 21934563), (3, 7311521), (7, 3133509), (21, 1044503), (61, 359583), (183, 119861), (427, 51369), (1281, 17123)]