21055935

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9421}}^1$

素因数の和:9578

約数の個数: 16

約数和(自身を含む): 33919200

約数和(自身を除く): 12863265

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9421, 28263, 47105, 141315, 1403729, 4211187, 7018645, 21055935]

約数ペア:

[(1, 21055935), (3, 7018645), (5, 4211187), (15, 1403729), (149, 141315), (447, 47105), (745, 28263), (2235, 9421)]