21435379

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4591}}^1$

素因数の和:4650

約数の個数: 16

約数和(自身を含む): 26449920

約数和(自身を除く): 5014541

約数列:

[1, 7, 23, 29, 161, 203, 667, 4591, 4669, 32137, 105593, 133139, 739151, 931973, 3062197, 21435379]

約数ペア:

[(1, 21435379), (7, 3062197), (23, 931973), (29, 739151), (161, 133139), (203, 105593), (667, 32137), (4591, 4669)]