21436807

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1811}}^1$

素因数の和:1926

約数の個数: 16

約数和(自身を含む): 26092800

約数和(自身を除く): 4655993

約数列:

[1, 7, 19, 89, 133, 623, 1691, 1811, 11837, 12677, 34409, 161179, 240863, 1128253, 3062401, 21436807]

約数ペア:

[(1, 21436807), (7, 3062401), (19, 1128253), (89, 240863), (133, 161179), (623, 34409), (1691, 12677), (1811, 11837)]