21322040

素因数分解:

$2^3\times 5^1\times {\mathrm{533051}}^1$

素因数の和:533062

約数の個数: 16

約数和(自身を含む): 47974680

約数和(自身を除く): 26652640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 533051, 1066102, 2132204, 2665255, 4264408, 5330510, 10661020, 21322040]

約数ペア:

[(1, 21322040), (2, 10661020), (4, 5330510), (5, 4264408), (8, 2665255), (10, 2132204), (20, 1066102), (40, 533051)]