21060871

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2223929

約数列:

[1, 13, 89, 109, 167, 1157, 1417, 2171, 9701, 14863, 18203, 126113, 193219, 236639, 1620067, 21060871]

約数ペア:

[(1, 21060871), (13, 1620067), (89, 236639), (109, 193219), (167, 126113), (1157, 18203), (1417, 14863), (2171, 9701)]