21221870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92269}}^1$

素因数の和:92299

約数の個数: 16

約数和(自身を含む): 39860640

約数和(自身を除く): 18638770

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92269, 184538, 461345, 922690, 2122187, 4244374, 10610935, 21221870]

約数ペア:

[(1, 21221870), (2, 10610935), (5, 4244374), (10, 2122187), (23, 922690), (46, 461345), (115, 184538), (230, 92269)]