21354135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129419}}^1$

素因数の和:129438

約数の個数: 16

約数和(自身を含む): 37272960

約数和(自身を除く): 15918825

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129419, 388257, 647095, 1423609, 1941285, 4270827, 7118045, 21354135]

約数ペア:

[(1, 21354135), (3, 7118045), (5, 4270827), (11, 1941285), (15, 1423609), (33, 647095), (55, 388257), (165, 129419)]