21534926

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{19471}}^1$

素因数の和:19559

約数の個数: 16

約数和(自身を含む): 37386240

約数和(自身を除く): 15851314

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 19471, 38942, 136297, 272594, 1538209, 3076418, 10767463, 21534926]

約数ペア:

[(1, 21534926), (2, 10767463), (7, 3076418), (14, 1538209), (79, 272594), (158, 136297), (553, 38942), (1106, 19471)]