21085220278

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1\times {\mathrm{315751}}^1$

素因数の和:316119

約数の個数: 16

約数和(自身を含む): 31975573536

約数和(自身を除く): 10890353258

約数列:

[1, 2, 173, 193, 346, 386, 33389, 66778, 315751, 631502, 54624923, 60939943, 109249846, 121879886, 10542610139, 21085220278]

約数ペア:

[(1, 21085220278), (2, 10542610139), (173, 121879886), (193, 109249846), (346, 60939943), (386, 54624923), (33389, 631502), (66778, 315751)]