21343156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3847}}^1$

素因数の和:3943

約数の個数: 24

約数和(自身を含む): 39865280

約数和(自身を除く): 18522124

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3847, 5548, 7694, 15388, 73093, 146186, 280831, 292372, 561662, 1123324, 5335789, 10671578, 21343156]

約数ペア:

[(1, 21343156), (2, 10671578), (4, 5335789), (19, 1123324), (38, 561662), (73, 292372), (76, 280831), (146, 146186), (292, 73093), (1387, 15388), (2774, 7694), (3847, 5548)]