21645988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59467}}^1$

素因数の和:59491

約数の個数: 24

約数和(自身を含む): 46622912

約数和(自身を除く): 24976924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 59467, 118934, 237868, 416269, 773071, 832538, 1546142, 1665076, 3092284, 5411497, 10822994, 21645988]

約数ペア:

[(1, 21645988), (2, 10822994), (4, 5411497), (7, 3092284), (13, 1665076), (14, 1546142), (26, 832538), (28, 773071), (52, 416269), (91, 237868), (182, 118934), (364, 59467)]