21882890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{95143}}^1$

素因数の和:95173

約数の個数: 16

約数和(自身を含む): 41102208

約数和(自身を除く): 19219318

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 95143, 190286, 475715, 951430, 2188289, 4376578, 10941445, 21882890]

約数ペア:

[(1, 21882890), (2, 10941445), (5, 4376578), (10, 2188289), (23, 951430), (46, 475715), (115, 190286), (230, 95143)]