21084098434

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28415227}}^1$

素因数の和:28415289

約数の個数: 16

約数和(自身を含む): 36826135488

約数和(自身を除く): 15742037054

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 28415227, 56830454, 198906589, 397813178, 1506007031, 3012014062, 10542049217, 21084098434]

約数ペア:

[(1, 21084098434), (2, 10542049217), (7, 3012014062), (14, 1506007031), (53, 397813178), (106, 198906589), (371, 56830454), (742, 28415227)]