21000481521

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{46980943}}^1$

素因数の和:46981095

約数の個数: 8

約数和(自身を含む): 28188566400

約数和(自身を除く): 7188084879

約数列:

[1, 3, 149, 447, 46980943, 140942829, 7000160507, 21000481521]

約数ペア:

[(1, 21000481521), (3, 7000160507), (149, 140942829), (447, 46980943)]