21565306

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66973}}^1$

素因数の和:67005

約数の個数: 16

約数和(自身を含む): 38577024

約数和(自身を除く): 17011718

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 66973, 133946, 468811, 937622, 1540379, 3080758, 10782653, 21565306]

約数ペア:

[(1, 21565306), (2, 10782653), (7, 3080758), (14, 1540379), (23, 937622), (46, 468811), (161, 133946), (322, 66973)]