21045217

素因数分解:

${\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{601}}^1$

素因数の和:736

約数の個数: 12

約数和(自身を含む): 22477476

約数和(自身を除く): 1432259

約数列:

[1, 19, 97, 361, 601, 1843, 11419, 35017, 58297, 216961, 1107643, 21045217]

約数ペア:

[(1, 21045217), (19, 1107643), (97, 216961), (361, 58297), (601, 35017), (1843, 11419)]