21481185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 37895040

約数和(自身を除く): 16413855

約数列:

[1, 3, 5, 11, 15, 33, 55, 101, 165, 303, 505, 1111, 1289, 1515, 3333, 3867, 5555, 6445, 14179, 16665, 19335, 42537, 70895, 130189, 212685, 390567, 650945, 1432079, 1952835, 4296237, 7160395, 21481185]

約数ペア:

[(1, 21481185), (3, 7160395), (5, 4296237), (11, 1952835), (15, 1432079), (33, 650945), (55, 390567), (101, 212685), (165, 130189), (303, 70895), (505, 42537), (1111, 19335), (1289, 16665), (1515, 14179), (3333, 6445), (3867, 5555)]