21006073439

素因数分解:

${\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{521}}^1\times {\mathrm{7001}}^1$

素因数の和:7978

約数の個数: 16

約数和(自身を含む): 22719753504

約数和(自身を除く): 1713680065

約数列:

[1, 13, 443, 521, 5759, 6773, 7001, 91013, 230803, 3000439, 3101443, 3647521, 40318759, 47417773, 1615851803, 21006073439]

約数ペア:

[(1, 21006073439), (13, 1615851803), (443, 47417773), (521, 40318759), (5759, 3647521), (6773, 3101443), (7001, 3000439), (91013, 230803)]