21980633

素因数分解:

${\mathrm{41}}^1\times {\mathrm{653}}^1\times {\mathrm{821}}^1$

素因数の和:1515

約数の個数: 8

約数和(自身を含む): 22578696

約数和(自身を除く): 598063

約数列:

[1, 41, 653, 821, 26773, 33661, 536113, 21980633]

約数ペア:

[(1, 21980633), (41, 536113), (653, 33661), (821, 26773)]