21000736523

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1\times {\mathrm{607}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 23784026112

約数和(自身を除く): 2783289589

約数列:

[1, 13, 23, 251, 299, 461, 607, 3263, 5773, 5993, 7891, 10603, 13961, 75049, 115711, 137839, 152357, 181493, 279827, 1504243, 1980641, 2661353, 3504211, 3637751, 6436021, 34597589, 45554743, 70236577, 83668273, 913075501, 1615441271, 21000736523]

約数ペア:

[(1, 21000736523), (13, 1615441271), (23, 913075501), (251, 83668273), (299, 70236577), (461, 45554743), (607, 34597589), (3263, 6436021), (5773, 3637751), (5993, 3504211), (7891, 2661353), (10603, 1980641), (13961, 1504243), (75049, 279827), (115711, 181493), (137839, 152357)]