23021890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{21121}}^1$

素因数の和:21237

約数の個数: 16

約数和(自身を含む): 41821560

約数和(自身を除く): 18799670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 21121, 42242, 105605, 211210, 2302189, 4604378, 11510945, 23021890]

約数ペア:

[(1, 23021890), (2, 11510945), (5, 4604378), (10, 2302189), (109, 211210), (218, 105605), (545, 42242), (1090, 21121)]