21007077

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76949}}^1$

素因数の和:76972

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 13466523

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 76949, 230847, 538643, 1000337, 1615929, 3001011, 7002359, 21007077]

約数ペア:

[(1, 21007077), (3, 7002359), (7, 3001011), (13, 1615929), (21, 1000337), (39, 538643), (91, 230847), (273, 76949)]