21183782

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8689}}^1$

素因数の和:8767

約数の個数: 16

約数和(自身を含む): 33786720

約数和(自身を除く): 12602938

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8689, 17378, 199847, 399694, 460517, 921034, 10591891, 21183782]

約数ペア:

[(1, 21183782), (2, 10591891), (23, 921034), (46, 460517), (53, 399694), (106, 199847), (1219, 17378), (2438, 8689)]