21170211

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 28711584

約数和(自身を除く): 7541373

約数列:

[1, 3, 113, 197, 317, 339, 591, 951, 22261, 35821, 62449, 66783, 107463, 187347, 7056737, 21170211]

約数ペア:

[(1, 21170211), (3, 7056737), (113, 187347), (197, 107463), (317, 66783), (339, 62449), (591, 35821), (951, 22261)]