21186186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11731}}^1$

素因数の和:11786

約数の個数: 32

約数和(自身を含む): 49555968

約数和(自身を除く): 28369782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 11731, 23462, 35193, 70386, 82117, 164234, 246351, 492702, 504433, 1008866, 1513299, 3026598, 3531031, 7062062, 10593093, 21186186]

約数ペア:

[(1, 21186186), (2, 10593093), (3, 7062062), (6, 3531031), (7, 3026598), (14, 1513299), (21, 1008866), (42, 504433), (43, 492702), (86, 246351), (129, 164234), (258, 82117), (301, 70386), (602, 35193), (903, 23462), (1806, 11731)]