21811354

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5683}}^1$

素因数の和:5805

約数の個数: 16

約数和(自身を含む): 34786080

約数和(自身を除く): 12974726

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5683, 11366, 107977, 215954, 573983, 1147966, 10905677, 21811354]

約数ペア:

[(1, 21811354), (2, 10905677), (19, 1147966), (38, 573983), (101, 215954), (202, 107977), (1919, 11366), (3838, 5683)]