21497874

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{123551}}^1$

素因数の和:123585

約数の個数: 16

約数和(自身を含む): 44478720

約数和(自身を除く): 22980846

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 123551, 247102, 370653, 741306, 3582979, 7165958, 10748937, 21497874]

約数ペア:

[(1, 21497874), (2, 10748937), (3, 7165958), (6, 3582979), (29, 741306), (58, 370653), (87, 247102), (174, 123551)]