210322021

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{177787}}^1$

素因数の和:177820

約数の個数: 12

約数和(自身を含む): 260281632

約数和(自身を除く): 49959611

約数列:

[1, 7, 13, 91, 169, 1183, 177787, 1244509, 2311231, 16178617, 30046003, 210322021]

約数ペア:

[(1, 210322021), (7, 30046003), (13, 16178617), (91, 2311231), (169, 1244509), (1183, 177787)]