21572486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43669}}^1$

素因数の和:43703

約数の個数: 16

約数和(自身を含む): 36682800

約数和(自身を除く): 15110314

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43669, 87338, 567697, 829711, 1135394, 1659422, 10786243, 21572486]

約数ペア:

[(1, 21572486), (2, 10786243), (13, 1659422), (19, 1135394), (26, 829711), (38, 567697), (247, 87338), (494, 43669)]