21325020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355417}}^1$

素因数の和:355429

約数の個数: 24

約数和(自身を含む): 59710224

約数和(自身を除く): 38385204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355417, 710834, 1066251, 1421668, 1777085, 2132502, 3554170, 4265004, 5331255, 7108340, 10662510, 21325020]

約数ペア:

[(1, 21325020), (2, 10662510), (3, 7108340), (4, 5331255), (5, 4265004), (6, 3554170), (10, 2132502), (12, 1777085), (15, 1421668), (20, 1066251), (30, 710834), (60, 355417)]