21477334

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 24

約数和(自身を含む): 34399728

約数和(自身を除く): 12922394

約数列:

[1, 2, 19, 38, 151, 197, 302, 361, 394, 722, 2869, 3743, 5738, 7486, 29747, 54511, 59494, 71117, 109022, 142234, 565193, 1130386, 10738667, 21477334]

約数ペア:

[(1, 21477334), (2, 10738667), (19, 1130386), (38, 565193), (151, 142234), (197, 109022), (302, 71117), (361, 59494), (394, 54511), (722, 29747), (2869, 7486), (3743, 5738)]