21748024

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 42071040

約数和(自身を除く): 20323016

約数列:

[1, 2, 4, 8, 43, 86, 172, 191, 331, 344, 382, 662, 764, 1324, 1528, 2648, 8213, 14233, 16426, 28466, 32852, 56932, 63221, 65704, 113864, 126442, 252884, 505768, 2718503, 5437006, 10874012, 21748024]

約数ペア:

[(1, 21748024), (2, 10874012), (4, 5437006), (8, 2718503), (43, 505768), (86, 252884), (172, 126442), (191, 113864), (331, 65704), (344, 63221), (382, 56932), (662, 32852), (764, 28466), (1324, 16426), (1528, 14233), (2648, 8213)]