21000292754

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2722361}}^1$

素因数の和:2722418

約数の個数: 32

約数和(自身を含む): 39202012800

約数和(自身を除く): 18201720046

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 3857, 7714, 2722361, 5444722, 19056527, 38113054, 51724859, 78948469, 103449718, 157896938, 362074013, 552639283, 724148026, 1105278566, 1500020911, 3000041822, 10500146377, 21000292754]

約数ペア:

[(1, 21000292754), (2, 10500146377), (7, 3000041822), (14, 1500020911), (19, 1105278566), (29, 724148026), (38, 552639283), (58, 362074013), (133, 157896938), (203, 103449718), (266, 78948469), (406, 51724859), (551, 38113054), (1102, 19056527), (3857, 5444722), (7714, 2722361)]