21413717

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 23853312

約数和(自身を除く): 2439595

約数列:

[1, 13, 47, 101, 347, 611, 1313, 4511, 4747, 16309, 35047, 61711, 212017, 455611, 1647209, 21413717]

約数ペア:

[(1, 21413717), (13, 1647209), (47, 455611), (101, 212017), (347, 61711), (611, 35047), (1313, 16309), (4511, 4747)]