21694245

素因数分解:

$3^1\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1871}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 34774272

約数和(自身を除く): 13080027

約数列:

[1, 3, 5, 15, 773, 1871, 2319, 3865, 5613, 9355, 11595, 28065, 1446283, 4338849, 7231415, 21694245]

約数ペア:

[(1, 21694245), (3, 7231415), (5, 4338849), (15, 1446283), (773, 28065), (1871, 11595), (2319, 9355), (3865, 5613)]