2121820

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{383}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 4483584

約数和(自身を除く): 2361764

約数列:

[1, 2, 4, 5, 10, 20, 277, 383, 554, 766, 1108, 1385, 1532, 1915, 2770, 3830, 5540, 7660, 106091, 212182, 424364, 530455, 1060910, 2121820]

約数ペア:

[(1, 2121820), (2, 1060910), (4, 530455), (5, 424364), (10, 212182), (20, 106091), (277, 7660), (383, 5540), (554, 3830), (766, 2770), (1108, 1915), (1385, 1532)]