21134955

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 35141184

約数和(自身を除く): 14006229

約数列:

[1, 3, 5, 15, 37, 111, 113, 185, 337, 339, 555, 565, 1011, 1685, 1695, 4181, 5055, 12469, 12543, 20905, 37407, 38081, 62345, 62715, 114243, 187035, 190405, 571215, 1408997, 4226991, 7044985, 21134955]

約数ペア:

[(1, 21134955), (3, 7044985), (5, 4226991), (15, 1408997), (37, 571215), (111, 190405), (113, 187035), (185, 114243), (337, 62715), (339, 62345), (555, 38081), (565, 37407), (1011, 20905), (1685, 12543), (1695, 12469), (4181, 5055)]