21711646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 15353954

約数列:

[1, 2, 11, 22, 43, 59, 86, 118, 389, 473, 649, 778, 946, 1298, 2537, 4279, 5074, 8558, 16727, 22951, 27907, 33454, 45902, 55814, 183997, 252461, 367994, 504922, 986893, 1973786, 10855823, 21711646]

約数ペア:

[(1, 21711646), (2, 10855823), (11, 1973786), (22, 986893), (43, 504922), (59, 367994), (86, 252461), (118, 183997), (389, 55814), (473, 45902), (649, 33454), (778, 27907), (946, 22951), (1298, 16727), (2537, 8558), (4279, 5074)]