21214579

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 23059008

約数和(自身を除く): 1844429

約数列:

[1, 23, 37, 97, 257, 851, 2231, 3589, 5911, 9509, 24929, 82547, 218707, 573367, 922373, 21214579]

約数ペア:

[(1, 21214579), (23, 922373), (37, 573367), (97, 218707), (257, 82547), (851, 24929), (2231, 9509), (3589, 5911)]