21699190

素因数分解:

$2^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{3323}}^1$

素因数の和:3983

約数の個数: 16

約数和(自身を含む): 39130128

約数和(自身を除く): 17430938

約数列:

[1, 2, 5, 10, 653, 1306, 3265, 3323, 6530, 6646, 16615, 33230, 2169919, 4339838, 10849595, 21699190]

約数ペア:

[(1, 21699190), (2, 10849595), (5, 4339838), (10, 2169919), (653, 33230), (1306, 16615), (3265, 6646), (3323, 6530)]