21721167403

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{590201}}^1$

素因数の和:590382

約数の個数: 16

約数和(自身を含む): 24788484000

約数和(自身を除く): 3067316597

約数列:

[1, 13, 19, 149, 247, 1937, 2831, 36803, 590201, 7672613, 11213819, 87939949, 145779647, 1143219337, 1670859031, 21721167403]

約数ペア:

[(1, 21721167403), (13, 1670859031), (19, 1143219337), (149, 145779647), (247, 87939949), (1937, 11213819), (2831, 7672613), (36803, 590201)]