21900171194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1\times {\mathrm{778313}}^1$

素因数の和:779605

約数の個数: 16

約数和(自身を含む): 35864709120

約数和(自身を除く): 13964537926

約数列:

[1, 2, 11, 22, 1279, 2558, 14069, 28138, 778313, 1556626, 8561443, 17122886, 995462327, 1990924654, 10950085597, 21900171194]

約数ペア:

[(1, 21900171194), (2, 10950085597), (11, 1990924654), (22, 995462327), (1279, 17122886), (2558, 8561443), (14069, 1556626), (28138, 778313)]