21074666

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:889

約数の個数: 16

約数和(自身を含む): 32182920

約数和(自身を除く): 11108254

約数列:

[1, 2, 89, 178, 197, 394, 601, 1202, 17533, 35066, 53489, 106978, 118397, 236794, 10537333, 21074666]

約数ペア:

[(1, 21074666), (2, 10537333), (89, 236794), (178, 118397), (197, 106978), (394, 53489), (601, 35066), (1202, 17533)]