21814429

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4523}}^1$

素因数の和:4596

約数の個数: 16

約数和(自身を含む): 27361152

約数和(自身を除く): 5546723

約数列:

[1, 7, 13, 53, 91, 371, 689, 4523, 4823, 31661, 58799, 239719, 411593, 1678033, 3116347, 21814429]

約数ペア:

[(1, 21814429), (7, 3116347), (13, 1678033), (53, 411593), (91, 239719), (371, 58799), (689, 31661), (4523, 4823)]