21847130

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{41221}}^1$

素因数の和:41281

約数の個数: 16

約数和(自身を含む): 40067784

約数和(自身を除く): 18220654

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 41221, 82442, 206105, 412210, 2184713, 4369426, 10923565, 21847130]

約数ペア:

[(1, 21847130), (2, 10923565), (5, 4369426), (10, 2184713), (53, 412210), (106, 206105), (265, 82442), (530, 41221)]