21348413

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 23451120

約数和(自身を除く): 2102707

約数列:

[1, 17, 41, 109, 281, 697, 1853, 4469, 4777, 11521, 30629, 75973, 195857, 520693, 1255789, 21348413]

約数ペア:

[(1, 21348413), (17, 1255789), (41, 520693), (109, 195857), (281, 75973), (697, 30629), (1853, 11521), (4469, 4777)]