21495951358

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52945693}}^1$

素因数の和:52945731

約数の個数: 16

約数和(自身を含む): 38120899680

約数和(自身を除く): 16624948322

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52945693, 105891386, 370619851, 741239702, 1535425097, 3070850194, 10747975679, 21495951358]

約数ペア:

[(1, 21495951358), (2, 10747975679), (7, 3070850194), (14, 1535425097), (29, 741239702), (58, 370619851), (203, 105891386), (406, 52945693)]