20212812

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4421}}^1$

素因数の和:4558

約数の個数: 36

約数和(自身を含む): 51507456

約数和(自身を除く): 31294644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4421, 4572, 8842, 13263, 17684, 26526, 39789, 53052, 79578, 159156, 561467, 1122934, 1684401, 2245868, 3368802, 5053203, 6737604, 10106406, 20212812]

約数ペア:

[(1, 20212812), (2, 10106406), (3, 6737604), (4, 5053203), (6, 3368802), (9, 2245868), (12, 1684401), (18, 1122934), (36, 561467), (127, 159156), (254, 79578), (381, 53052), (508, 39789), (762, 26526), (1143, 17684), (1524, 13263), (2286, 8842), (4421, 4572)]