12821956

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7507}}^1$

素因数の和:7579

約数の個数: 24

約数和(自身を含む): 26067776

約数和(自身を除く): 13245820

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 7507, 15014, 30028, 52549, 105098, 210196, 457927, 915854, 1831708, 3205489, 6410978, 12821956]

約数ペア:

[(1, 12821956), (2, 6410978), (4, 3205489), (7, 1831708), (14, 915854), (28, 457927), (61, 210196), (122, 105098), (244, 52549), (427, 30028), (854, 15014), (1708, 7507)]