21782794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43049}}^1$

素因数の和:43085

約数の個数: 16

約数和(自身を含む): 37195200

約数和(自身を除く): 15412406

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43049, 86098, 473539, 947078, 990127, 1980254, 10891397, 21782794]

約数ペア:

[(1, 21782794), (2, 10891397), (11, 1980254), (22, 990127), (23, 947078), (46, 473539), (253, 86098), (506, 43049)]