21977436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{10837}}^1$

素因数の和:10870

約数の個数: 36

約数和(自身を含む): 55533912

約数和(自身を除く): 33556476

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 10837, 21674, 32511, 43348, 65022, 130044, 140881, 281762, 422643, 563524, 845286, 1690572, 1831453, 3662906, 5494359, 7325812, 10988718, 21977436]

約数ペア:

[(1, 21977436), (2, 10988718), (3, 7325812), (4, 5494359), (6, 3662906), (12, 1831453), (13, 1690572), (26, 845286), (39, 563524), (52, 422643), (78, 281762), (156, 140881), (169, 130044), (338, 65022), (507, 43348), (676, 32511), (1014, 21674), (2028, 10837)]