21921170

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{30029}}^1$

素因数の和:30109

約数の個数: 16

約数和(自身を含む): 39999960

約数和(自身を除く): 18078790

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 30029, 60058, 150145, 300290, 2192117, 4384234, 10960585, 21921170]

約数ペア:

[(1, 21921170), (2, 10960585), (5, 4384234), (10, 2192117), (73, 300290), (146, 150145), (365, 60058), (730, 30029)]