21195298

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{1031}}^1$

素因数の和:1593

約数の個数: 16

約数和(自身を含む): 33560640

約数和(自身を除く): 12365342

約数列:

[1, 2, 19, 38, 541, 1031, 1082, 2062, 10279, 19589, 20558, 39178, 557771, 1115542, 10597649, 21195298]

約数ペア:

[(1, 21195298), (2, 10597649), (19, 1115542), (38, 557771), (541, 39178), (1031, 20558), (1082, 19589), (2062, 10279)]