21688702

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{91129}}^1$

素因数の和:91155

約数の個数: 16

約数和(自身を含む): 39368160

約数和(自身を除く): 17679458

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 91129, 182258, 637903, 1275806, 1549193, 3098386, 10844351, 21688702]

約数ペア:

[(1, 21688702), (2, 10844351), (7, 3098386), (14, 1549193), (17, 1275806), (34, 637903), (119, 182258), (238, 91129)]