21438306

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{11131}}^1$

素因数の和:11246

約数の個数: 24

約数和(自身を含む): 46887984

約数和(自身を除く): 25449678

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 11131, 22262, 33393, 66786, 100179, 200358, 1191017, 2382034, 3573051, 7146102, 10719153, 21438306]

約数ペア:

[(1, 21438306), (2, 10719153), (3, 7146102), (6, 3573051), (9, 2382034), (18, 1191017), (107, 200358), (214, 100179), (321, 66786), (642, 33393), (963, 22262), (1926, 11131)]