21000746714

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^2\times {\mathrm{32909}}^1$

素因数の和:33202

約数の個数: 24

約数和(自身を含む): 33600385980

約数和(自身を除く): 12599639266

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4658, 18769, 32909, 37538, 65818, 319073, 559453, 638146, 1118906, 4508533, 9017066, 76645061, 153290122, 617669021, 1235338042, 10500373357, 21000746714]

約数ペア:

[(1, 21000746714), (2, 10500373357), (17, 1235338042), (34, 617669021), (137, 153290122), (274, 76645061), (2329, 9017066), (4658, 4508533), (18769, 1118906), (32909, 638146), (37538, 559453), (65818, 319073)]