21882873

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{1439}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 30205440

約数和(自身を除く): 8322567

約数列:

[1, 3, 37, 111, 137, 411, 1439, 4317, 5069, 15207, 53243, 159729, 197143, 591429, 7294291, 21882873]

約数ペア:

[(1, 21882873), (3, 7294291), (37, 591429), (111, 197143), (137, 159729), (411, 53243), (1439, 15207), (4317, 5069)]