21811398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2069}}^1$

素因数の和:2332

約数の個数: 32

約数和(自身を含む): 50077440

約数和(自身を除く): 28266042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 251, 502, 753, 1506, 1757, 2069, 3514, 4138, 5271, 6207, 10542, 12414, 14483, 28966, 43449, 86898, 519319, 1038638, 1557957, 3115914, 3635233, 7270466, 10905699, 21811398]

約数ペア:

[(1, 21811398), (2, 10905699), (3, 7270466), (6, 3635233), (7, 3115914), (14, 1557957), (21, 1038638), (42, 519319), (251, 86898), (502, 43449), (753, 28966), (1506, 14483), (1757, 12414), (2069, 10542), (3514, 6207), (4138, 5271)]