21388188

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{15773}}^1$

素因数の和:15893

約数の個数: 24

約数和(自身を含む): 50350608

約数和(自身を除く): 28962420

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 15773, 31546, 47319, 63092, 94638, 189276, 1782349, 3564698, 5347047, 7129396, 10694094, 21388188]

約数ペア:

[(1, 21388188), (2, 10694094), (3, 7129396), (4, 5347047), (6, 3564698), (12, 1782349), (113, 189276), (226, 94638), (339, 63092), (452, 47319), (678, 31546), (1356, 15773)]